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Rice Trait Ontology
ID NAME DEFINITION IS_A
TO:0000122 percent root mass density 0-15
"Calculated as percent of root mass density in this section over the total root mass density. Both scored at the 0-15cm depth." [Gramene:jcl, Gramene:pankaj_jaiswal]
TO:0000120 ! percent root mass densityTO:0000116 ! root mass density 0-15
TO:0000123 percent root mass density 15-30
"Calculated as percent of root mass density in this section over the total root mass density. Both scored at the 15-30cm depth." [Gramene:jcl, Gramene:pankaj_jaiswal]
TO:0000120 ! percent root mass densityTO:0000118 ! root mass density 15-30
TO:0000124 flag leaf angle
"A flag leaf morphology trait (TO:0000832) which is an angle of the flag leaf (PO:0020103) measured near the collar, as the angle of attachment between the flag leaf blade and the main inflorescence axis in grass plants." [IRRI:SES, PO:0020103, TO:cooperl, TO:moorel]
TO:0000206 ! leaf angleTO:0000832 ! flag leaf morphology trait
TO:0000125 percent root mass density 30-45
"Calculated as percent of root mass density in this section over the total root mass density. Both scored at the 30-45cm depth." [Gramene:jcl, Gramene:pankaj_jaiswal]
TO:0000120 ! percent root mass densityTO:0000119 ! root mass density 30-45
TO:0000126 rice grassy stunt virus-2 resistance
"Causal agent
TO:0000213 ! rice grassy stunt 1 and 2 virus resistance
TO:0000127 rice grassy stunt virus-1 resistance
"Causal agent
TO:0000213 ! rice grassy stunt 1 and 2 virus resistance
TO:0000128 harvest index
"Proportion of usable (economically significant) biomass over total (biological) biomass, expressed as a percentage." [Gramene:jcl, Gramene:pankaj_jaiswal]
TO:0000371 ! yield traitWTO:0000071 ! crop yield
TO:0000129 false smut disease resistance
"Causal agent
TO:0000439 ! fungal disease resistance
TO:0000130 far red light sensitivity
"Sensitivity to the far red light content in the growth environment." [Gramene:pankaj_jaiswal]
TO:0000265 ! light quality sensitivity
TO:0000131 leaf water potential
"Water potential of a leaf." [Gramene:pankaj_jaiswal]
TO:0000237 ! water stress trait
TO:0000132 basal internode diameter
"Actual measurements in millimeters from the outer diameter of the stem at the basal portion of the main stem." [IRRI:SES]
TO:0000361 ! stem morphology trait
TO:0000133 stature or vigor trait
"OBSOLETE
None
TO:0000134 alkali digestion
"Is an indirect measure of gelatinization temperature. Observed by placing six milled-rice kernels in 10ml 1.7% KOH in a shallow container and arrange them so that they do not touch. Let them stand for 23hrs at 30degC temperature and score for spreading. Measure for Alkali digestion is inversely proportional to the gelatinization temperature, e.g. if alkali digestion is low, the gelatinization temperature is high." [Gramene:pankaj_jaiswal, IRRI:SES]
TO:0000462 ! gelatinization temperature
TO:0000135 leaf length
"A leaf morphology trait (TO:0000748) which is the length of a leaf (PO:0025034)." [IRRI:SES, PO:0025034, TO:cooperl, TO:moorel]
TO:0002637 ! leaf size
TO:0000136 leaf relative water content
"Leaf relative water content is determined at midday (12.00 noon)." [Gramene:jcl, Gramene:pankaj_jaiswal]
TO:0000131 ! leaf water potential
TO:0000137 days to heading
"Number of days required for the inflorescence (head/cob/panicle) to emerge from the flag leaf of a plant or a group of plants in a study." [Gramene:pankaj_jaiswal]
TO:0001021 ! days to inflorescence exsertion
TO:0000138 brown rice protein
"Total protein content of the brown rice." [IRRI:SES]
TO:0000598 ! protein content
TO:0000140 lemma apiculus color
"A cardinal organ part morphology trait (TO:0000754) which is the color of a lemma apiculus (PO:0025616)." [IRRI:SES]
TO:0000754 ! cardinal organ part morphology trait
TO:0000141 awn color
"An awn morphology trait (TO:0002718) which is a color of the awn (PO:0025349)." [IRRI:SES, PO:0025349, TO:moorel]
WTO:0000066 ! awnTO:0002718 ! awn morphology trait
TO:0000142 secondary branching of inflorescence
"An inflorescence branching (TO:0000050) trait which is the extent of secondary branching that usually determines the shape and compactness of the inflorescence (PO:0009049) (such as in rice panicle)." [Gramene:pankaj_jaiswal, IRRI:SES, PO:0009049, TO:moorel]
TO:0000050 ! inflorescence branching
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