part of
type: ObjectProperty
has OBO namespace: cereal_plant_growth_stage

in-vitro culture stage
type: Class
subclass of: A-vegetative stage
has OBO namespace: cereal_plant_growth_stage
has definition: The stages describing the callus growth and differentiation in the tissue culture experiments.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

rice plant growth stage
type: Class
subclass of: rice growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: The gross developmental stages defined for the plant.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

maize growth stage
type: Class
subclass of: cereal plant growth stage ontology
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: The development and growth of maize have been translated into several scales to quantify development for scientific and management purposes. The growth stage terms and their descriptors were provided by the MaizeDB.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fwww.agron.missouri.edu%2Fphenotypes.html
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.agron.missouri.edu%2Fphenotypes.html
  has db xref: MaizeDB:lv
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_lv

00-germination
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: Process by which embryonic organs formed during kernel development and which have been dormant in the dry seed, resume their growth under appropriate temperature and moisture conditions
  type: Definition
  has db xref: MaizeDB:64055
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_64055
has related synonym: maize growth stage-0

rice growth stage unknown
type: Class
subclass of: rice plant growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: A case when it is difficult to annotate the growth stage defined in an experiment
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

0.02-radicle emergence from seed
type: Class
subclass of: 00-germination
has OBO namespace: cereal_plant_growth_stage
has definition: The radicle and its enclosing sheath, the coleorhiza, break through the pericarp.
  type: Definition
  has db xref: MaizeDB:67351
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67351
has related synonym: maize growth stage-0.2

0.03-coleoptile emergence from seed
type: Class
subclass of: 00-germination
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-0.3
has definition: The coleoptile, enclosing the plumule or embryonic shoot, pushes through the pericarp
  type: Definition
  has db xref: MaizeDB:67352
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67352

01-seedling
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-1
has definition: Commonly refers to the growth stage between germination and tassel differentiation, with a duration of approximately three weeks for adapted cultivars in the US Corn Belt
  type: Definition
  has db xref: MaizeDB:1863
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_1863

1.01-seedling emergence
type: Class
subclass of: 01-seedling
has OBO namespace: cereal_plant_growth_stage
has definition: Coleoptile appears above the soil surface. Nodal roots begin to develop.
  type: Definition
  has db xref: MaizeDB:64057
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_64057
has related synonym: maize growth stage-1.1

1.02-one to two leaves
type: Class
subclass of: 01-seedling
has OBO namespace: cereal_plant_growth_stage
has definition: First or second leaf collar visible.
  type: Definition
  has db xref: MaizeDB:67353
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67353
has related synonym: maize growth stage-1.2

1.03-three to four leaves
type: Class
subclass of: 01-seedling
has OBO namespace: cereal_plant_growth_stage
has definition: 3 or 4 leaf collars visible
  type: Definition
  has db xref: MaizeDB:25331
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_25331
has related synonym: maize growth stage-1.3

02-tassel initiation
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-2
has related synonym: tassel differentiation
has related synonym: 4-6 leaf stage
has related synonym: early whorl stage
has definition: Definition
  label: Apical dome of shoot meristem elongates, followed by appearance of tassel branch primordia. Under favorable conditions in adapted hybrids in the US Corn Belt, this may occur about 2-3 weeks after seedling emergence, when 4-6 leaf collars are visible. Stem growing point is at or near soil surface. Tassel initiation is very sensitive to photoperiod and temperature, maximal sensitivity to these factors occurs during a brief period with a duration, equivalent to the emergence of two leaves, just before tassel initiation
  has db xref: MaizeDB:67306
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67306

03-rapid stem elongation
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-3
has related synonym: mid-whorl stage
has definition: Definition
  label: After tassel initiation, stem length begins to increase rapidly, through elongation of cells formed by the intercalary meristem at the base of above-ground internodes. The rate of elongation decreases prior to anthesis, but plant height may continue to increase until after flowering
  has db xref: MaizeDB:67358
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67358
has related synonym: stem elongation
has related synonym: telescoping

3.01-ear initiation
type: Class
subclass of: 03-rapid stem elongation
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Elongation of apical dome of axillary meristem corresponding to top ear, followed by appearance of spikelet primordia. Typically, in adapted materials in the US Corn Belt, 6-8 leaf collars are visible, but this depends on genotype and environmental conditions.
  has db xref: MaizeDB:67356
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67356
has related synonym: 6-8 leaf
has related synonym: 7 leaf
has related synonym: 8 leaf
has related synonym: mid-whorl stage
has related synonym: 6 leaf
has related synonym: V6
has related synonym: V7
has related synonym: V8
has related synonym: maize growth stage-3.1

3.02-late whorl stage
type: Class
subclass of: 03-rapid stem elongation
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: In adapted materials in the US Corn Belt, the collars of leaves 9-11 are visible (some of the lowest leaves may already have degenerated by this stage). By 10-leaf stage, new leaves appear every 2-3 days. Tassel development accelerates, and rapid stem elongation continues.
  has db xref: MaizeDB:67357
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67357
has related synonym: 1-11 leaf
has related synonym: 10-leaf
has related synonym: 11-leaf
has related synonym: maize growth stage-3.2
has related synonym: V9
has related synonym: V10
has related synonym: V-11
has related synonym: 9-leaf

3.03-mid-vegetative
type: Class
subclass of: 03-rapid stem elongation
has OBO namespace: cereal_plant_growth_stage
has definition: Rapid stem elongation continues. In adapted materials in the US Corn Belt, 12-14 leaf collars are visible. Number of ovules (potential kernels) is being determined. Male meiosis begins about this time
  type: Definition
  has db xref: MaizeDB:67359
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67359
has related synonym: V12
has related synonym: V13
has related synonym: V14
has related synonym: maize growth stage-3.3

3.04-late vegetative
type: Class
subclass of: 03-rapid stem elongation
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-3.4
has related synonym: V19
has related synonym: V20
has related synonym: V17
has related synonym: V18
has related synonym: V15
has related synonym: V16
has definition: Definition
  label: Late vegetative stage, corresponding to the 15-leaf stage or later in adapted hybrids in the US Corn Belt, which normally have a total of about 20 leaves. Depending on genotype and environmental conditions, a corn plant may develop 10-30 leaves. Ear is developing rapidly and silk elongation begins. Female meiosis begins when silks are approx. 2 mm long and ears approx. 2 cm long. Brace roots begin growing, a new leaf is added every 1-2 days
  has db xref: MaizeDB:67360
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67360

04-gametophyte development
type: Class
subclass of: maize growth stage
subclass of: Restriction
  on property: part of
  some values from: 3.04-late vegetative
has OBO namespace: cereal_plant_growth_stage
has related synonym: gametogenesis
has definition: Includes both male (pollen) and female (embryo sac) gametophyte development, which are sub stages of this stage
  type: Definition
  has db xref: MaizeDB:67385
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67385
has related synonym: maize growth stage-4

4.01-pollen development
type: Class
subclass of: 04-gametophyte development
has OBO namespace: cereal_plant_growth_stage
has related synonym: male gametophyte development
has related synonym: microspore development
has related synonym: maize growth stage-4.1
has definition: Microsporogenesis, or pollen development, includes all stages from microsporocyte meiosis through the mature pollen grain
  type: Definition
  has db xref: MaizeDB:67383
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67383
has related synonym: microsporogenesis

4.02-embryo sac development
type: Class
subclass of: 04-gametophyte development
has OBO namespace: cereal_plant_growth_stage
has related synonym: megasporogenesis
has related synonym: megaspore development
has related synonym: maize growth stage-4.2
has related synonym: megagametogenesis
has related synonym: female gametophyte development
has definition: Includes megasporogenesis (female meiosis) and megagametogenesis (beginning with mitotic division of the meiotic products through maturation of the embryo sac)
  type: Definition
  has db xref: MaizeDB:67384
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67384

05-flowering
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-5
has definition: The term

5.01-anthesis
type: Class
subclass of: 05-flowering
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Anthers are extruded between glume and lemma, pores at the anther tip break open, and pollen is released. Pollen shed occurs first from spikelets slightly above the middle of the central axis of the tassel, then proceeds towards tip and base, pollen shedding from lateral branches occurs somewhat later.
  has db xref: MaizeDB:67361
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67361
has related synonym: maize growth stage-5.1
has related synonym: VT
has related synonym: Pollen shedding
has related synonym: Pollen shed

5.02-silking
type: Class
subclass of: 05-flowering
has OBO namespace: cereal_plant_growth_stage
has related synonym: R1
has definition: Definition
  label: Silks (styles) emerge from the husks at the ear tip. Normally the first silks appear slightly after anthesis begins, but this interval can be delayed by drought or other stresses. Silks of spikelets at the base of the ear emerge prior to those from more apical spikelets
  has db xref: MaizeDB:67362
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67362
has related synonym: maize growth stage-5.2
has related synonym: silk emergence

5.03-pollination
type: Class
subclass of: 05-flowering
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-5.3
has definition: Definition
  label: Pollen lands on a silk hair, hydrates, and germinates by sending out a pollen tube through the pollen pore. The pollen tube grows rapidly (0.5 cm/hr) down the length of the silk to the ovary and the embryo sac
  has db xref: MaizeDB:67364
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67364

5.04-fertilization
type: Class
subclass of: 05-flowering
has OBO namespace: cereal_plant_growth_stage
has related synonym: fecundation
has related synonym: double fecundation
has related synonym: double fertilization
has definition: Definition
  label: Fertilization occurs 16-24 hours after pollination. It consists of the simultaneous fusion of 1 sperm cell with the egg to form the diploid zygote, and the other sperm cell with 2 polar nuclei to form the triploid primary endosperm nucleus
  has db xref: MAizeDB:67365
    type: DbXref
    has URI: http://purl.org/obo/owl/MAizeDB#MAizeDB_67365
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: maize growth stage-5.4

06-post-flowering
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: The period of slow kernel growth between fertilization and the beginning of linear grain-filling, lasting roughly 10-12 days. Some workers divides this period into dilatory and exponential phases, which approximately coincide with the endosperm's free nuclear and mitotic stages, respectively. From about 4-10 days after pollination, the embryo is in the proembryo stage, a club-shaped mass of cells with little differentiation except for a basal suspensor region, and an apical region of smaller cells, the embryo proper
  has db xref: MaizeDB:67370
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67370
has related synonym: maize growth stage-6
has related synonym: proembryo
has related synonym: R1
has related synonym: lag phase

6.01-dilatory
type: Class
subclass of: 06-post-flowering
has OBO namespace: cereal_plant_growth_stage
has related synonym: free nuclear
has related synonym: maize growth stage-6.1
has definition: Definition
  label: This phase is the initial few days following fertilization, during which time very slow dry matter accumulation occurs in the kernel. In the endosperm, the primary endosperm nucleus divides 2-4 hours after fertilization, followed by rapid synchronous divisions to produce a free nuclear tissue. The fertilized egg undergoes its first division about 10-12 hours after fertilization, and by the end of this stage will have developed into the proembryo with about 12-24 cells
  has db xref: MaizeDB:67371
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67371

6.02-exponential
type: Class
subclass of: 06-post-flowering
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-6.2
has definition: Definition
  label: The phase with increased metabolic activity and rapid kernel development that links the dilatory phase with the linear grain-filling period. It occurs approximately 5-12 days after pollination (dap). In the endosperm, cell walls are laid down beginning about 5 dap, changing the free nuclear tissue into a cellular one. The embryo continues in the proembryo stage through about 10 dap. MaizeDB includes a sub-stage.
  has db xref: MaizeDB:67369
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67369

6.02.1-transition stage
type: Class
subclass of: 6.02-exponential
comment: In the endosperm, mitotic activity in the central region declines, and nuclear size and DNA content begin to increase (endoreduplication)
has OBO namespace: cereal_plant_growth_stage
has definition: Occurs when the ovoid, radially symmetrical proembryo elongates to form a cone-shaped structure, establishing the future shoot-root meristem axis, about 10-12 days after pollination.
  type: Definition
  has db xref: MaizeDB:67451
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67451
has related synonym: maize growth stage-6.2.1
has related synonym: endoreduplication

07-linear grain-filling
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-7
has related synonym: grain filling
has related synonym: effective filling period
has definition: Stage of rapid, nearly linear increase in kernel dry matter, that begins about 2 weeks after pollination and lasts almost until physiological maturity
  type: Definition
  has db xref: MaizeDB:64632
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_64632

7.01-blister stage
type: Class
subclass of: 07-linear grain-filling
comment: dap is days after pollination
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-7.1
has related synonym: R2
has definition: Definition
  label: This stage is initiated when significant starch accumulation begins, approximately 12-17 days after pollination (dap). Kernels appear white and translucent, endosperm and its inner fluid are clear. Endoreduplication, an increase in DNA content in endosperm cells, which began in the transition stage, peaks about 16-18 dap
  has db xref: MaizeDB:67372
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67372

7.01.1-coleoptilar stage
type: Class
subclass of: 7.01-blister stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: embryo coleoptilar stage
has definition: Definition
  label: In the coleoptilar stage, the embryo develops a prominent shoot apical meristem surrounded by the coleoptilar ring, and backed by the flattened, spade-shaped scutellum, it occurs about 12-14 days after pollination
  has db xref: MaizeDB:67376
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67376
has related synonym: maize growth stage-7.1.1

7.01.2-embryo-1
type: Class
subclass of: 7.01-blister stage
comment: Stage 1 embryos are often used to initiate embryonic callus in tissue culture experiments
has OBO namespace: cereal_plant_growth_stage
has definition: Embryo stage 1 is defined by the appearance of first leaf primordium from the shoot apical meristem, it occurs about 14-18 days after pollination, when embryo is slightly more than 1 mm long
  type: Definition
  has db xref: MaizeDB:67377
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67377
has related synonym: embryo stage 1
has related synonym: maize growth stage-7.1.2

7.02-stage
type: Class
subclass of: 07-linear grain-filling
comment: The embryo is at stage 2: second leaf primordium is formed, and embryo length is approx. 2 mm
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-7.2
has definition: Definition
  label: Endosperm fluid has changed from clear to a milky white, more viscous substance due to accumulating starch, kernels are about 80% moisture, aleurone color characteristic of the genotype appears, occurs about 18-22 days after pollination
  has db xref: MaizeDB:67373
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67373
has related synonym: embryo-2
has related synonym: embryo stage 2
has related synonym: R3

7.03-early dough stage
type: Class
subclass of: 07-linear grain-filling
has OBO namespace: cereal_plant_growth_stage
has related synonym: R4
has related synonym: dough stage
has related synonym: embryo stage 3
has related synonym: embryo-3
has related synonym: maize growth stage-7.3
has definition: Definition
  label: Endosperm fluid has changed to a pasty or soft dough-like consistency, kernels have about 70% moisture, occurs about 22-28 days after pollination. Embryo is at stage 3: third leaf primordium forms, radicle is recognizable within the coleorhiza, embryo is about 3 mm long
  has db xref: MaizeDB:67374
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67374

7.04-late dough stage
type: Class
subclass of: 07-linear grain-filling
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Endosperm consistency checked by firmer dough than in the previous stage. Towards end of this stage, in dent genotypes, kernels begin to dent on top, occurs about 28-35 days after pollination. Embryo is at stage 4: fourth leaf primordium has formed, embryo is 5-6 mm long
  has db xref: MaizeDB:67379
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67379
has related synonym: embryo stage 4
has related synonym: embryo-4
has related synonym: maize growth stage-7.4

08-leveling of of grain-filling
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: embryo-5
has related synonym: embryo stage 5
has related synonym: dent stage
has related synonym: attenuative
has related synonym: R5
has definition: Definition
  label: Rate of dry matter accumulation in kernel diminishes as endosperm transfer cells are crushed. All or nearly all kernels are dented (in a dent genotype), kernels are about 50-55% moisture, husk has begun to dry rapidly, occurs about 35-42 days after pollination. Embryo is at stage 5, fifth leaf primordium has formed and lateral seminal root primordia can be observed
  has db xref: MaizeDB:67382
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67382
has related synonym: leveling of of dry matter accumulation
has related synonym: maize growth stage-8

09-maturity
type: Class
subclass of: maize growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: The stage begins at physiological maturity (when the kernel has approximately 30-35% moisture) and continues through dry kernel (15% moisture or less). This stage is subdivided into the two stages listed above.
  has db xref: MaizeDB:11088
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_11088
has related synonym: senescence
has related synonym: maize growth stage-9

9.01-physiological maturity
type: Class
subclass of: 09-maturity
has OBO namespace: cereal_plant_growth_stage
has related synonym: black layer
has definition: Definition
  label: Occurs when grain dry matter accumulation ceases and a black abscission layer forms at the base of the kernel, approx. 50-65 days after pollination, grain moisture is about 30-35%. Embryo is at stage 6: a sixth leaf primordium may have formed, although many genotypes form only 5 embryonic leaves, dormancy occurs after massive hydration of embryo cells
  has db xref: MaizeDB:67380
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67380
has related synonym: embryo stage 6
has related synonym: embryo-6
has related synonym: R6
has related synonym: maize growth stage-9.1

9.02-dry kernel
type: Class
subclass of: 09-maturity
has OBO namespace: cereal_plant_growth_stage
has related synonym: maize growth stage-9.2
has related synonym: dry seed
has related synonym: storage maturity
has definition: The kernel has dried to safe storage moisture, 15% or less
  type: Definition
  has db xref: MaizeDB:67381
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_67381

rice growth stage
type: Class
subclass of: cereal plant growth stage ontology
has OBO namespace: cereal_plant_growth_stage
has definition: The growth and developmental stages defined for the rice plant.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: rice growth stages

4.2-panicle differentiation stage
type: Class
subclass of: Restriction
  on property: part of
  some values from: 04-stem elongation stage
comment: In parallel the stem elongation is continuing
has OBO namespace: cereal_plant_growth_stage
has related synonym: PD
has related synonym: rice growth stage-4.2
has definition: At this point, the panicle is 1 to 2 mm in length and the branching of the panicle is visible
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp

08-dough stage
type: Class
subclass of: C-embryo stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-8
has definition: One of the ripening stages when endosperm starts hardening.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

01-germination
type: Class
subclass of: A-vegetative stage
comment: Thus, under dry-seeded or aerobic conditions, the radicle emerges before the coleoptile. Under water-seeded or reduced oxygen (anaerobic) conditions, the coleoptile may emerge before the root. The coleoptile continues to elongate and several lateral roots called seminal roots form.
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-1
has definition: Definition
  label: Occurs when the seed coat has imbibed adequate water becoming soft and elastic. The coleorhiza elongates slightly, emerging through the seed coat and the radicle breaks through the coleorhiza and becomes anchored in the soil or growth media.
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

06-heading stage
type: Class
subclass of: B-reproductive stage
comment: Heading may take over 10 to 14 days due to variations within tillers on the same plant and between plants in the field. Agronomically, heading date is defined as the time when 50 percent of the panicles have at least partially exserted from the boot.
has OBO namespace: cereal_plant_growth_stage
has definition: is the time when the panicle begins to exsert from the boot.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp
has related synonym: rice growth stage-6

09-mature grain stage
type: Class
subclass of: C-embryo stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-9
has definition: The whole grain is hard and ready for harvest. This stage is reached at approximately 15-20 percent moisture
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Ripening.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: maturity stage

07-milk stage
type: Class
subclass of: C-embryo stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: milk grain
has related synonym: rice growth stage-7
has definition: At this stage, the developing starch grains in the kernel are soft, and the interior of the kernel is filled with a white liquid resembling milk.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Ripening.asp

02-seedling
type: Class
subclass of: A-vegetative stage
comment: The length of the mesocotyl varies with cultivars. Some Semi-dwarf varieties may have a very short mesocotyl and generally will not emerge if covered by more than 1/2 to 3/4 inch of soil. The mesocotyl only develops in the dark and doesnt show up in water-seeded rice
has OBO namespace: cereal_plant_growth_stage
has definition: occurs when the first internode called the mesocotyl has elongated and pushed the tip of the rice coleoptile (epiblast or first sheathing leaf) through the soil surface
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
has related synonym: rice growth stage-2

04-stem elongation stage
type: Class
subclass of: A-vegetative stage
subclass of: Restriction
  on property: part of
  some values from: B-reproductive stage
comment: The top five internodes may elongate. Stem internodes can be distinguished from root internodes by the green color in the stem wall. Overlaps the vegetative and reproductive stages
has OBO namespace: cereal_plant_growth_stage
has definition: Begins about the same time panicle initiation is occurring. It continues until full plant height is reached.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
has related synonym: rice growth stage-4
has related synonym: jointing stage
has related synonym: internode elongation

03-tillering stage
type: Class
subclass of: A-vegetative stage
comment: In direct-seeded rice fields with a normal plant population (10 to 20 plants per square foot), rice plants generally produce 2 to 5 panicle bearing tillers per plant compared to 10 to 30 tillers per plant in transplanted rice where more space is available between plants.
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-3
has definition: Definition
  label: Usually begins at the fifth leaf stage when the first tiller is visible and emerges from the axillary bud of the second leaf on the culm. Tillering continues when the sixth leaf emerges, the second tiller comes from the axillary bud of the third leaf.
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

01-germination
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.01-dry seed
type: Class
subclass of: 01-germination
comment: Zadok scale-0
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

1.02-start of imbibition
type: Class
subclass of: 01-germination
comment: Zadok scale-1
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.03-imbibition complete
type: Class
subclass of: 01-germination
comment: Zadok scale-3
has OBO namespace: cereal_plant_growth_stage
has definition: When the imbibition of the seed is complete.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

1.04-radicle emerged from seed
type: Class
subclass of: 01-germination
comment: Zadok scale-5
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.05-coleoptile emerged from seed
type: Class
subclass of: 01-germination
comment: Zadok scale-7
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.06-leaf just at coleoptile tip
type: Class
subclass of: 01-germination
comment: Zadok scale-9, Haun scale-0
has OBO namespace: cereal_plant_growth_stage
has definition: The leaf has just emerged.
  type: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

02-seedling growth
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage

2.01-first leaf through coleoptile
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-10, Feekes scale-1
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

2.02-first leaf unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-11, Haun scale-1.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.03-two leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-12, Haun scale-1.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.04-three leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-13, Haun scale-2.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.05-four leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-14, Haun scale-3.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.06-five leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-15, Haun scale-4.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.07-six leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-16, Haun scale-5.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

2.08-seven leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-, scale-6.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

2.09-eight leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-18, Haun scale-7.+
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

2.10 nine or more leaves unfolded
type: Class
subclass of: 02-seedling growth
comment: Zadok scale-19
has OBO namespace: cereal_plant_growth_stage
has definition: When 9 or more leaves have unfolded or exposed.
  type: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

03-tillering
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage

3.01-main shoot only
type: Class
subclass of: 03-tillering
comment: Zadok scale-20
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

3.02-main shoot and one tiller
type: Class
subclass of: 03-tillering
comment: Zadok scale-21, Feekes scale-2
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

3.03-main shoot and two tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-22
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

3.04-main shoot and three tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-23
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

3.05-main shoot and four tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-24
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

3.06-main shoot and five tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-25
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

3.07-shoot and six tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-26, Feekes scale-3
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

3.08-main shoot and seven tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-27
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

3.09-main shoot and eight tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-28
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

3.10-main shoot and nine or more tillers
type: Class
subclass of: 03-tillering
comment: Zadok scale-29
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

04-stem elongation
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage

4.01-pseudo stem erection
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-30, Feekes scale 4-5
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.02 first node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-31, Feekes scale-6
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.03-second node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-32, Feekes scale-7
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.04-third node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-33
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.05-fourth node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-34
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.06-fifth node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-35
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.07-sixth node detectable
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-36
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

4.08-flag leaf just visible
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-37, Feekes scale-8
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

4.09-flag leaf ligule/collar just visible
type: Class
subclass of: 04-stem elongation
comment: Zadok scale-39, Feekes scale-9
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

05-booting
type: Class
subclass of: wheat, barley and oat growth stage
comment: Zadok scale-40
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

5.01-flag leaf sheath extending
type: Class
subclass of: 05-booting
comment: Zadok scale-41, Haun scale-8 to 9
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

5.02-boots just swollen
type: Class
subclass of: 05-booting
comment: Zadok scale-45, Feekes scale-10, Haun scale-9.2
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

5.03-flag leaf sheath opening
type: Class
subclass of: 05-booting
comment: Zadok scale-47
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

5.04-first awns visible
type: Class
subclass of: 05-booting
comment: Zadok scale-49, Haun scale-10.1
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

06-inflorescence emergence
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage

6.01-first spikelet of inflorescence visible
type: Class
subclass of: 06-inflorescence emergence
comment: Zadok scale-50, Feekes scale-10.1, Haun scale-10.2
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

6.02-1/4 of inflorescence emerged
type: Class
subclass of: 06-inflorescence emergence
comment: Zadok scale-53, Feekes scale-10.2
has OBO namespace: cereal_plant_growth_stage
has definition: When a quarter of the inflorescence has emerged.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

6.03-1/2 of inflorescence emerged
type: Class
subclass of: 06-inflorescence emergence
comment: Zadok scale-1, Feekes scale-10.3, Haun scale-10.5
has OBO namespace: cereal_plant_growth_stage
has definition: When half of the inflorescence has emerged.
  type: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

6.04-3/4 of inflorescence emerged
type: Class
subclass of: 06-inflorescence emergence
comment: Zadok scale-57, Feekes scale-10.4, Haun scale-10.7
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

6.05-emergence of inflorescence completed
type: Class
subclass of: 06-inflorescence emergence
comment: Zadok scale-59, Feekes scale-10.5, Haun scale-11
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

07-anthesis
type: Class
subclass of: wheat, barley and oat growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: The time of flowering or pollination.
  type: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

7.01-anthesis beginning
type: Class
subclass of: 07-anthesis
comment: Zadok scale-60, Feekes scale-10.51, Haun scale-11.4
has OBO namespace: cereal_plant_growth_stage
has definition: When the of flowering or pollination has just begun
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
has related synonym: Beginning on anthesis

7.02-anthesis half-way
type: Class
subclass of: 07-anthesis
comment: Haun scale-11.5
has OBO namespace: cereal_plant_growth_stage
has definition: When the of flowering or pollination has occurred on 50 percent of all florets in the inflorescence
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

7.03-anthesis completed
type: Class
subclass of: 07-anthesis
comment: Zadok scale-69, Haun scale-11.6
has OBO namespace: cereal_plant_growth_stage
has definition: When the flowering or pollination is complete in all florets.
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.extension.umn.edu%2Fdistribution%2Fcropsystems%2FDC2547.html%23systems

08-milk development
type: Class
subclass of: wheat, barley and oat growth stage
comment: Zadok scale-70
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

8.01-kernel watery ripe
type: Class
subclass of: 08-milk development
comment: Zadok scale-71, Feekes scale-10.54, Haun scale-12.1
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

8.02-early milk
type: Class
subclass of: 08-milk development
comment: Zadok scale-73, Haun scale-13
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

8.04-medium milk
type: Class
subclass of: 08-milk development
comment: Zadok scale-75, Feekes scale-11.1
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

8.03-late milk
type: Class
subclass of: 08-milk development
comment: Zadok scale-77
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

09-dough development
type: Class
subclass of: wheat, barley and oat growth stage
comment: Zadok scale-80
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fwww.ibiblio.org%2Fbotnet%2Fglossary%2Fa_vi.html
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.ibiblio.org%2Fbotnet%2Fglossary%2Fa_vi.html

9.01-early dough
type: Class
subclass of: 09-dough development
comment: Zadok scale-83, Haun scale-14
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

9.02-soft dough
type: Class
subclass of: 09-dough development
comment: Zadok scale-85, Feekes scale-11.2
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

9.03-hard dough
type: Class
subclass of: 09-dough development
comment: Zadok scale-87, Haun scale-15
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10-ripening
type: Class
subclass of: wheat, barley and oat growth stage
comment: Zadok scale-90
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

10.01-kernel medium hard
type: Class
subclass of: 10-ripening
comment: Zadok scale-91, Feekes scale-11.3
has OBO namespace: cereal_plant_growth_stage
has definition: Kernel is difficult to divide by using the thumbnail.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

10.02-kernel hard
type: Class
subclass of: 10-ripening
comment: Zadok scale-92, Feekes scale-11.4, Haun scale-16
has OBO namespace: cereal_plant_growth_stage
has definition: Kernel can no longer be dented with thumbnail.
  type: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10.03-kernel loosening in daytime
type: Class
subclass of: 10-ripening
comment: Zadok scale-93
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10.04-overripe, straw dead and collapsing
type: Class
subclass of: 10-ripening
comment: Zadok scale-94
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

10.05-seed dormant
type: Class
subclass of: 10-ripening
comment: Zadok scale-95
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10.06-viable seed germination
type: Class
subclass of: 10-ripening
comment: Zadok scale-96
has OBO namespace: cereal_plant_growth_stage
has definition: Viable seed giving 50 percent germination.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm

10.07-seed not dormant
type: Class
subclass of: 10-ripening
comment: Zadok scale-97
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10.08-secondary dormancy induced
type: Class
subclass of: 10-ripening
comment: Zadok scale-98
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

10.09-secondary dormancy lost
type: Class
subclass of: 10-ripening
comment: Zadok scale-99
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

sorghum growth stage
type: Class
subclass of: cereal plant growth stage ontology
comment: The growth stages defined for Sorghum were extracted from the document at http://primera.tamu.edu/ir4/sor-stage.pdf
has OBO namespace: cereal_plant_growth_stage
has definition: Sorghum Development and Key Growth Stages as described by Brent Bean and Carl Patrick, Extension Agronomist and Entomologist at the Texas A&M, Agricultural Research and Extension station.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

01-seedling emergence
type: Class
subclass of: sorghum growth stage
comment: Coleoptile is the first leaf and is shorter than the later emerging leaves and has a rounded tip
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-0
has definition: Coleoptile visible at soil surface.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

02-three leaf stage
type: Class
subclass of: sorghum growth stage
comment: This stage will occur approximately 10 days after emergence, depending on soil temperature, moisture, planting depth, etc.
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-1
has definition: Collar of 3rd leaf is visible
  type: Definition
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

04-five leaf stage
type: Class
subclass of: sorghum growth stage
comment: Occurs approximately 20 days after emergence. May have lost first leaf (coleoptile) by this time.
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-3
has definition: Collar of 5th leaf is visible
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

05-growing point differentiation
type: Class
subclass of: sorghum growth stage
comment: Occurs approximately 30 to 35 days after emergence. Generally corresponds with the 7 to 8 leaf stage. May have lost 1 to 3 leaves from the bottom of the plant.
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-4
has definition: Growing point visible above the soil surface.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

06-flag leaf visible
type: Class
subclass of: sorghum growth stage
comment: The last 3 to 4 leaves may not be fully expanded (collars not visible).
has OBO namespace: cereal_plant_growth_stage
has definition: Tip of the flag leaf (last leaf) is visible in the whorl.
  type: Definition
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: sorghum growth stage-5

07-boot stage
type: Class
subclass of: sorghum growth stage
comment: Peduncle (stalk supporting the head) is beginning to elongate
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-6
has definition: Leaf collars of all leaves are now visible. Sorghum head is enclosed in the flag leaf sheath
  type: Definition
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

08-heading
type: Class
subclass of: sorghum growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: 50% of the plants in the field have visible heads
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
has related synonym: half-bloom
has related synonym: sorghum growth stage-7

10-dough stage
type: Class
subclass of: sorghum growth stage
has OBO namespace: cereal_plant_growth_stage

10.01-soft dough
type: Class
subclass of: 10-dough stage
comment: 8 to 12 functional leaves present. One half of grain dry weight has accumulated.
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-9
has definition: Grain can be easily squeezed between the fingers
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

10.02-hard dough
type: Class
subclass of: 10-dough stage
comment: Three-fourths of grain dry weight has accumulated
has OBO namespace: cereal_plant_growth_stage
has definition: Cannot squeeze grain between the fingers.
  type: Definition
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: sorghum growth stage-10

11-physiological maturity
type: Class
subclass of: sorghum growth stage
comment: Maximum total dry weight has been achieved
has OBO namespace: cereal_plant_growth_stage
has related synonym: black layer
has related synonym: sorghum growth stage-11
has definition: This stage is identified by the dark spot on the tip of the kernel. Grain will contain 25 to 35% moisture.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

rice plant part development stage
type: Class
subclass of: rice growth stage
comment: The rice plant organ developmental stages were defined by the Oryzabase, in Japan. ref: http://www.shigen.nig.ac.jp/rice/oryzabase/development/organAndStage.jsp
has OBO namespace: cereal_plant_growth_stage
has definition: The developmental stages of individual plant parts or organs in a rice plant.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

embryo development
type: Class
subclass of: rice plant part development stage
comment: The embryo developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=embryo&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of embryo development from fertilization stage to maturity stage.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

leaf development
type: Class
subclass of: rice plant part development stage
comment: The leaf developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=leaf&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of leaf development from recruitment of leaf primordial cells to fully developed leaf.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

A-vegetative stage
type: Class
subclass of: rice plant growth stage
comment: The later stage (lag phase) may overlap with the reproductive stage
has OBO namespace: cereal_plant_growth_stage
has definition: growth stages from germination to panicle initiation stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development.asp%23Vegetative

B-reproductive stage
type: Class
subclass of: rice plant growth stage
has OBO namespace: cereal_plant_growth_stage
has definition: Growth stages from panicle initiation to heading stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp

C-embryo stage
type: Class
subclass of: rice plant growth stage
comment: Light intensity is very important during this interval since 60 percent or more of the carbohydrates used in grain filling are photosynthesized during this time interval. High temperatures tend to reduce the grain filling period and may reduce grain weight. Low temperatures tend to lengthen the time required for grain fill and ripening.
has OBO namespace: cereal_plant_growth_stage
has related synonym: ripening stage
has related synonym: grain-filling stage
has definition: Growth stages from fertilization, embryo formation to ripening and maturation stage.
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Ripening.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1-4 leaf stage
type: Class
subclass of: 02-seedling
comment: During this time, the seminal roots further develop, the secondary or lateral roots develop and the first four leaves appear
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-2.1
has related synonym: pre-tillering
has definition: The period from development of the first to fourth leaf stage
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

03-four leaf stage
type: Class
subclass of: sorghum growth stage
comment: Occurs approximately 15 days after emergence
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage-2
has definition: Collar of 4th leaf is visible.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf

3.1-maximum tillering
type: Class
subclass of: 03-tillering stage
comment: After maximum tillering has occurred, no more effective tillers are produced. A portion of the late tillers will generally die due to competition effects
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-3.1
has definition: tillering increases in a sigmoidal-shaped curve until the maximum tiller number is reached. At this point, the main culm may be difficult to distinguish from the tiller.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp

ratooning stage
type: Class
subclass of: A-vegetative stage
comment: Excluding germination and early seedling stages, it begins a fresh cycle producing new tillers from nodes post-harvest. It may or may not be considered as a growth stage by others. However, Gramene is proposing it to be included as one of the new growth stage.
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-3A
has definition: Producing new tillers from nodes after harvest
  type: Definition
  has db xref: JCL:NULL
    type: DbXref
    has URI: http://purl.org/obo/owl/JCL#JCL_NULL
  has db xref: GR:pj%20
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj%20

vegetative lag phase
type: Class
subclass of: A-vegetative stage
comment: The length of this period is a function of the maturation period of the cultivar. For very-short season cultivars with 110-day maturity, this period may not be evident. In this situation, maximum tillering stage and the beginning of reproductive growth may overlap. In a 150-day rice cultivar, the lag phase period may last more than two weeks. The vegetative lag phase in midseason varieties is characterized by yellowing plants
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-4.3
has definition: Is the period from the end of active tillering to the beginning of the reproductive stage. Tiller number decreases, height and stem diameter continue to increase but at a slower rate.
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Vegetative.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

4.1-panicle initiation stage
type: Class
subclass of: Restriction
  on property: part of
  some values from: 04-stem elongation stage
comment: A thin green band is visible just above the top node, and represents the very beginning of internode elongation (stem elongation stage) and is evident for only a couple of days
has OBO namespace: cereal_plant_growth_stage
has related synonym: PI
has related synonym: rice growth stage-4.1
has definition: Is the time when the panicle primordia initiate the production of a panicle in the uppermost node of the culm
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp
has related synonym: green ring stage

05-booting stage
type: Class
subclass of: B-reproductive stage
has OBO namespace: cereal_plant_growth_stage
has definition: This stage is characterized by a swelling of the flag leaf sheath, caused by an increase in the size of the panicle as it grows up the leaf sheath.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp
has related synonym: rice growth stage-5

5.1-early booting stage
type: Class
subclass of: 05-booting stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: rice growth stage-5.1
has definition: In this stage, meiosis occurs. Panicle continues to grow.
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

5.2-late booting stage
type: Class
subclass of: 05-booting stage
has OBO namespace: cereal_plant_growth_stage
has definition: In this stage the flag leaf has completely extended. It occurs about 6 days prior to heading.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp
has related synonym: rice growth stage-5.2

6.1-flowering stage
type: Class
subclass of: 06-heading stage
comment: The events occurring in this stage are: (a). The tips of the lemma and palea (hulls) open. #(b) The filaments elongate.# (c). The anthers exsert from the lemma and palea. #(d). As the lemma and palea open further, the tips of the feathery stigma become visible. #(e). The filaments elongate past the tips of lemma and palea. #(f). The spikelet closes, leaving the anther outside. Anther dehiscence (pollen shed) usually occurs just prior to or at the time the lemma and palea open (step a).
has OBO namespace: cereal_plant_growth_stage
has related synonym: anthesis
has related synonym: anthesis stage
has related synonym: rice growth stage-6.1
has definition: Refers to the events between the opening and closing of floret
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Reproductive.asp

8.1-dough stage
type: Class
subclass of: 08-dough stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: early dough grain
has related synonym: early dough stage
has related synonym: rice growth stage-8.1
has definition: The starch in the grain begins to become firm but is still soft
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Ripening.asp

09-flowering
type: Class
subclass of: sorghum growth stage
comment: Flowering occurs over a 4 to 9 day period.
has OBO namespace: cereal_plant_growth_stage
has related synonym: sorghum growth stage8
has definition: Occurs when 50% of the plants in the field are in some stage of bloom
  type: Definition
  has db xref: web:http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fprimera.tamu.edu%2Fir4%2Fsor-stage.pdf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

8.2-hard dough stage
type: Class
subclass of: 08-dough stage
has OBO namespace: cereal_plant_growth_stage
has definition: The whole grain is firm during this stage and almost ready for harvest. The moisture content is still above 22 percent.
  type: Definition
  has db xref: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fwww.uaex.edu%2FOther_Areas%2Fpublications%2FHTML%2FMP192%2F1_Rice_Growth_and_Development_Ripening.asp
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: rice growth stage-8.2
has related synonym: late dough stage
has related synonym: late dough grain

wheat, barley and oat growth stage
type: Class
subclass of: cereal plant growth stage ontology
comment: The curators have extracted the growth stage information based on the document available at http://weeds.montana.edu/crop/Growth_stages_book/p22_23.htm
has alternative id: GRO:0007050
has OBO namespace: cereal_plant_growth_stage
has alternative id: GRO:0007155
has definition: Definition
  label: The development and growth of cereals wheat, oat and barley has been translated into several numeric scales to quantify development for scientific and management purposes. These are based on the most commonly used scales defined by Feekes, Zadok and Haun.
  has db xref: web:http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
    type: DbXref
    has URI: http://purl.org/obo/owl/web#web_http%20%2F%2Fweeds.montana.edu%2Fcrop%2FGrowth_stages_book%2Fp22_23.htm
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: Triticeae plant growth stage
has related synonym: oat growth stage
has related synonym: barley growth stage
has related synonym: wheat growth stage

panicle development
type: Class
subclass of: rice plant part development stage
comment: The panicle developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=panicle&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of panicle or rice inflorescence development from switching over of the stem apical meristem into rachis meristem to mature panicle formation.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

spikelet development
type: Class
subclass of: rice plant part development stage
comment: The spikelet developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=spikelet&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of spikelet development from formation of rudimentary glumes to floret development.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

stamen development
type: Class
subclass of: rice plant part development stage
comment: The stamen developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=stamen&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of stamen development from stamen primordia differentiation to end of microgametogenesis.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule development
type: Class
subclass of: rice plant part development stage
comment: The ovule developmental stages were defined by the Oryzabase, in Japan. ref: http://earth.lab.nig.ac.jp:8080/IneDatabase/query?type=browse&data=ovule&item=All
has OBO namespace: cereal_plant_growth_stage
has definition: Defines all the stages of ovule development from carpel primordium formation to megagametogenesis.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

leaf stage P0
type: Class
subclass of: leaf development
comment: Marked by down regulation of Osh1 gene (GR_protein_id=77897) and expression of OsPnh gene (GR_protein_id=90881).
has OBO namespace: cereal_plant_growth_stage
has definition: Recruitment of leaf founder or primordial cells occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf

leaf stage P4
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Elongation of leaf blade occurs along with differentiation of epidermis specific bulliform cells, silica cells, cork cells and stomata.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf

leaf stage P2
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Foot-like shape, with overlapping of two leaf margins occurs along with differentiation of vascular bundle and establishment of leaf domains along the central-marginal axis.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf

leaf stage P1
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Protrusion of leaf primordium and elongation of leaf margin around stem apical meristem (SAM) occurs.
  type: Definition
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

leaf stage P5
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Elongation of leaf sheath, emergence of leaf blade from the sheath of preceding leaf and formation of lacunae occurs. The leaf blade, sheath, ligule and auricles are fully developed in the juvenile leaf.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf

leaf stage P3
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of ligule primordia and leaf blade and leaf sheath boundary occurs, along with differentiation of sclerenchymatous cells and initiation of epidermis.
  type: Definition
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

leaf stage PX
type: Class
subclass of: leaf development
has OBO namespace: cereal_plant_growth_stage
has definition: Completely mature adult leaf.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf

embryo stage EM1
type: Class
subclass of: embryo development
comment: Occurs at zero days after pollination. Number of embryo cells at this stage are one (zygote).
has OBO namespace: cereal_plant_growth_stage
has definition: The stage marked by the fertilization event.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM5
type: Class
subclass of: embryo development
comment: Occurs at four days after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: Marked with onset of coleoptile, stem apical meristem (SAM) and radicle differentiation.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM3
type: Class
subclass of: embryo development
comment: Occurs at tow days after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: Globular stage of the embryo.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

embryo stage EM2
type: Class
subclass of: embryo development
comment: Occurs at one day after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: First division of fertilized egg. Globular stage ca.25-cell stage marked with rapid cell division.
  type: Definition
  has db xref: Oryzabase:Leaf
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Leaf
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

embryo stage EM6
type: Class
subclass of: embryo development
comment: Occurs at five-six days after pollination. Expression of Amy1A (GR_protein_id=77717) in scutellar epithelium appears.
has OBO namespace: cereal_plant_growth_stage
has definition: Protrusion of first leaf primordium and enlargement of scutellum occurs at this stage. Marks the onset of juvenile vegetative stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM4
type: Class
subclass of: embryo development
comment: Occurs at three days after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: It's a globular stage with oblong-shaped embryo. Marked by onset of exponential increase in size and cell number. Formation of gradient of cell size along dorsoventral direction and marked regionalization in the developing embryo.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM7
type: Class
subclass of: embryo development
comment: Occurs at seven-eight days after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: Identified by protrusion of 2nd and 3rd leaf primordia and epiblast.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM8
type: Class
subclass of: embryo development
comment: Occurs at nine-ten days after pollination. Expression of maturation-related genes such as OsEM (GR_protein_id=77791), Rab16A, VP1 (GR_protein_id=78075, 89294) observed.
has OBO namespace: cereal_plant_growth_stage
has definition: Enlargement of embryo parts and morphological completion.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo

embryo stage EM9
type: Class
subclass of: embryo development
comment: Occurs at eleven-twenty days after pollination. Expression of maturation-related genes such as OsEM (GR_protein_id=77791), Rab16A, VP1 (GR_protein_id=78075, 89294) observed.
has OBO namespace: cereal_plant_growth_stage
has definition: Embryo maturation process begins.
  type: Definition
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR_ref:6590
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_ref#GR_ref_6590
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

embryo stage EM10
type: Class
subclass of: embryo development
comment: Occurs at 21 and onwards of days after pollination.
has OBO namespace: cereal_plant_growth_stage
has definition: Embryo gains dormancy and tolerance for desiccation. Embryonic shoot, radicle, scutellum, epiblast and bundle sheath are mature.
  type: Definition
  has db xref: GR_ref:6590
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_ref#GR_ref_6590
  has db xref: Oryzabase:Embryo
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Embryo
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule stage OV0
type: Class
subclass of: ovule development
comment: Panicle length at this stage is less than 0.3 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Starts with carpel primordium formation.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule

ovule stage OV4
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 5-7 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Meiotic division of the megaspore mother cell results in a linear tetrad of megaspores. The inner integument elongation also occurs.
  type: Definition
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512

ovule stage OV2
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 1-3 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Integument primordia are initiated on both sides of the ovule primordium. Megasporogenesis starts with the formation of archespore from one of the sub-epidermal cells in the nucellus. The archespore is distinguished by its large size.
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512

ovule stage OV1
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 0.3-1.0 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Ovule primordium formation and carpel elongation occurs.
  type: Definition
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512

ovule stage OV5
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 7-10 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: The inner integument fully encloses the nucellus, except for the area where micropyle forms. The ovule acquires an anatropous shape by rotating 60 degrees from its original position.
  type: Definition
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule stage OV3
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 3-5 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Integument primordia starts differentiation, firstly into outer integument and later into the outer integument. Funiculus develops on adaxial side of the ovary. The archespore expands and differentiates into the megaspore mother cell. The megaspore mother cell is polarized with its nucleus at the micropylar end.
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule stage OV6
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 10-12 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Micropylar megaspore degenerates and the functional megaspore enlarges.
  type: Definition
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule stage OV7
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 12-14 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: The developing embryosac is at the two-nucleate megagametophyte stage. Degenerate megaspores are still visible. Marks the start of megagametogenesis.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule

ovule stage OV10
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 18-25 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Embryosac matures. The events include, polarization of the egg cell and synergids, fusion of the polar nuclei and mitosis of the antipodal cells to yield as many as eight cells. A single layer of four to five nucellus cells borders the micropyle.
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

ovule stage OV9
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 6-18 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of eight nucleate megagametophyte, followed by migration of the nuclei and cellularization. The ovule rotates approximately 90 degrees from its original position.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512

ovule stage OV8
type: Class
subclass of: ovule development
comment: Panicle length at this stage is about 14-16 cm.
has OBO namespace: cereal_plant_growth_stage
has definition: Large central vacuole develops between the two nuclei of megagametophyte, followed by mitosis of both the nuclei, resulting in the four nucleate stage.
  type: Definition
  has db xref: GR_Ref:2512
    type: DbXref
    has URI: http://purl.org/obo/owl/GR_Ref#GR_Ref_2512
  has db xref: Oryzabase:Ovule
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Ovule
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

panicle stage PA1
type: Class
subclass of: panicle development
has OBO namespace: cereal_plant_growth_stage
has definition: Starts with conversion of stem apical meristem into inflorescence (panicle) apical meristem or rachis meristem.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

panicle stage PA6
type: Class
subclass of: panicle development
comment: Rachis is about 0.7 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of lateral meristems from primary rachis meristem occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

callus initiation
type: Class
subclass of: in-vitro culture stage
has OBO namespace: cereal_plant_growth_stage
has definition: Beginning of the callus formation from a single protoplast or pollen cell
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

callus promotion
type: Class
subclass of: in-vitro culture stage
has OBO namespace: cereal_plant_growth_stage
has definition: multiplication of the callus in undifferentiated form
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

plantlet regeneration
type: Class
subclass of: in-vitro culture stage
has OBO namespace: cereal_plant_growth_stage
has related synonym: callus regeneration
has definition: Differentiation of the callus tissue in the plantlet form.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

0.01-imbibition
type: Class
subclass of: 00-germination
has OBO namespace: cereal_plant_growth_stage
has definition: Adsorption of water by colloidal materials of the seed, leading to seed swelling and increased metabolic activity in the initial stages of germination.
  type: Definition
  has db xref: MaizeDB:64054
    type: DbXref
    has URI: http://purl.org/obo/owl/MaizeDB#MaizeDB_64054
has related synonym: maize growth stage-0.1

panicle stage PA4
type: Class
subclass of: panicle development
comment: Rachis is about 0.1 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: Formation of third and subsequent bracts and 7-15 primary branch primordia occurs. Rachis meristem aborts turning the panicle into a determinate inflorescence from its indeterminate type in early stages of development.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

panicle stage PA2
type: Class
subclass of: panicle development
has OBO namespace: cereal_plant_growth_stage
has definition: Rachis meristem enlarges and first bract formation occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

panicle stage PA8
type: Class
subclass of: panicle development
has OBO namespace: cereal_plant_growth_stage

panicle stage PA7
type: Class
subclass of: panicle development
comment: Rachis is more than 1 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of spikelets and florets occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

cereal plant growth stage ontology
type: Class
has alternative id: GRO:0080001
has OBO namespace: cereal_plant_growth_stage
has definition: Ontology of the growth stages in various cereal crops.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
has related synonym: cereal plant ontology

panicle stage PA5
type: Class
subclass of: panicle development
comment: Marked by down regulation of OsH1 gene in rachis meristem. Rachis is less than 0.5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Elongation of primary branch primordia occurs.
  type: Definition
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

panicle stage PA3
type: Class
subclass of: panicle development
has OBO namespace: cereal_plant_growth_stage
has definition: Rachis meristem enlarges and second bract formation occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Panicle
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Panicle

spikelet stage SP1
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of two rudimentary glumes in distichous phyllotaxy occurs.
  type: Definition
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

spikelet stage SP5
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of lodicules occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet

spikelet stage SP3
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of lemma in distichous phyllotaxy occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet

spikelet stage SP2
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of two empty glumes in distichous phyllotaxy occurs.
  type: Definition
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

spikelet stage SP6
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of stamen primordia in a whorl occurs.
  type: Definition
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

spikelet stage SP4
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Formation of Palea in distichous phyllotaxy occurs.
  type: Definition
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

spikelet stage SP7
type: Class
subclass of: spikelet development
has OBO namespace: cereal_plant_growth_stage
has definition: Starts with formation of carpel primordium and establishment of rudimentary and empty glumes, lemma, palea, stamen and pistil occurs.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Spikelet
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Spikelet

stamen stage ST0
type: Class
subclass of: stamen development
comment: At this stage floret is less than 1 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Stamen primordia differentiation occurs.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST3
type: Class
subclass of: stamen development
comment: At this stage floret is less than 2 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Primary parietal cells periclinally divide into endothecium and secondary parietal cells.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST1
type: Class
subclass of: stamen development
comment: At this stage floret is about 1 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Archesporial cell differentiate at four corners of the anther hypodermal layer.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST5
type: Class
subclass of: stamen development
comment: At this stage floret is about 2-5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: This stage describes the microsporogenesis in rice plant.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST4
type: Class
subclass of: stamen development
comment: At this stage floret is about 2 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Secondary parietal cells periclinally divide into middle layer and tapetum cells. Premeiotic DNA synthesis occurs and Pollen mother cell (PMC) enters into meiosis stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST2
type: Class
subclass of: stamen development
comment: At this stage floret is about 1.5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Archesporial cells divide into primary sporogenous cells and primary parietal cells.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

obsolete cereal plant growth stage terms
type: Class
subclass of: ObsoleteClass
has OBO namespace: cereal_plant_growth_stage
has definition: Terms that are deleted from growth stage ontology are assigned this new parent term.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.1-dry seed
type: Class
subclass of: 01-germination
has OBO namespace: cereal_plant_growth_stage
has definition: The physiologically mature seed that is ready to undergo the germination phase. The seed may or maynot be in the dormant state.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-1
type: Class
subclass of: stamen stage ST5
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I leptotene stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST5-2
type: Class
subclass of: stamen stage ST5
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I zygotene stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-3
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 3-3.4 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I pachytene stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-4
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 3.5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I diplotene stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-5
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 3.8 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I diakinesis stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-6
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 4.2 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-I metaphase-I and anaphase-I stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-7
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 4.5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen mother cell meiosis enters Meiosis-II stage.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST5-8
type: Class
subclass of: stamen stage ST5
comment: At this stage floret is about 5 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Tetrad formation occurs. Endothecium and middle layer cells degrade.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST6
type: Class
subclass of: stamen development
has OBO namespace: cereal_plant_growth_stage
has definition: Describes the microgametogenesis stages in rice plant.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST6-1
type: Class
subclass of: stamen stage ST6
has OBO namespace: cereal_plant_growth_stage
has definition: Uninucleate pollen formation.
  type: Definition
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

stamen stage ST6-3
type: Class
subclass of: stamen stage ST6
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen is in binucleate stage.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST6-2
type: Class
subclass of: stamen stage ST6
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen undergoes mitosis-I.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST6-4
type: Class
subclass of: stamen stage ST6
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen undergoes mitosis-II.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

stamen stage ST6-5
type: Class
subclass of: stamen stage ST6
comment: At this stage floret is about 7 mm in length.
has OBO namespace: cereal_plant_growth_stage
has definition: Pollen undergoes maturation phase and so the anthers.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj
  has db xref: Oryzabase:Stamen
    type: DbXref
    has URI: http://purl.org/obo/owl/Oryzabase#Oryzabase_Stamen

1.2-imbibition stage
type: Class
subclass of: 01-germination
has OBO namespace: cereal_plant_growth_stage
has definition: Absorption of water by the seed, leading to the swelling of endosperm, embryo and seedcoat tissues. The process increases metabolic activity in the initial stages of germination.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.21-early imbibition stage
type: Class
subclass of: 1.2-imbibition stage
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: The process of absorption of water by the seed, leading to the swelling of endosperm, embryo and seedcoat tissues has just begun. Compared to the dry state seed, the metabolic activity may not show any significant increase at this stage.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.22-late imbibition stage
type: Class
subclass of: 1.2-imbibition stage
has OBO namespace: cereal_plant_growth_stage
has definition: Absorption of water by the seed, leading to the swelling of endosperm, embryo and seedcoat tissues is complete. The increase in metabolic activity is well established.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.3-radicle emergence stage
type: Class
subclass of: 1.3-radicle and coleoptile emergence stage
has OBO namespace: cereal_plant_growth_stage
has definition: The radicle and its enclosing sheath, the coleorhiza, breaks through the pericarp. In some rice varieties the coleoptile emerges before the radicle.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.3-coleoptile emergence stage
type: Class
subclass of: 1.3-radicle and coleoptile emergence stage
has OBO namespace: cereal_plant_growth_stage
has definition: The coleoptile, enclosing the plumule emerges through the pericarp. In some rice varieties the radicle emerges before the coleoptile.
  type: Definition
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj

1.3-radicle and coleoptile emergence stage
type: Class
subclass of: 01-germination
has OBO namespace: cereal_plant_growth_stage
has definition: Definition
  label: The radicle with coleorhiza and coleoptile, enclosing the plumule, breaks through the pericarp. In some rice varieties the coleoptile and radicle emergence may occur together or preceed either depending on the rice variety.
  has db xref: GR:pj
    type: DbXref
    has URI: http://purl.org/obo/owl/GR#GR_pj