Rice Trait Ontology

ID	NAME	DEFINITION	IS_A
TO:0000470	vascular tissue morphology trait	"A portion of plant tissue morphology trait (TO:0000843) which is a quality of a vascular tissue and its parts." [Gramene:pankaj_jaiswal, TO:moorel]	TO:0000843 ! portion of plant tissue morphology trait
TO:0000471	root penetration index	"Its the fraction of number of penetrated roots over the total number of roots." [Gramene:jcl, Gramene:pankaj_jaiswal]	TO:0000043 ! root morphology trait
TO:0000472	vascular bundle number	"Number of vascular bundles present in a plant part." [Gramene:pankaj_jaiswal]	TO:0020109 ! vascular bundle development traitTO:0000470 ! vascular tissue morphology trait
TO:0000473	grain shattering	"Measurement of extent of grain shattering, which depends on development of abscission zone. This trait often refers to shattering or the premature or ease of shedding of the grass fruit called caryopsis from the inflorescence." [Gramene:pankaj_jaiswal]	TO:0001073 ! fruit shattering
TO:0000474	glume opening	"Angle of opening of glumes is measured on each floret, assessment based on mean angle of glume opening." [Gramene:pankaj_jaiswal, IRRI:SES]	TO:0000869 ! glume morphology trait
TO:0000475	adventitious root thickness	None	TO:0000306 ! root thickness
TO:0000476	growth hormone content	"A metabolite content trait (TO:0000281) which is the amount of plant hormone (CHEBI:37848) in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal]	TO:0000281 ! metabolite content trait
TO:0000477	panicle blast disease resistance	"Causal agent	TO:0000074 ! blast disease resistance
TO:0000478	abscisic acid concentration	"Measures the growth hormone concentration in a plant or plant part." [Gramene:pankaj_jaiswal]	TO:0002667 ! abscisic acid content
TO:0000479	acid sensitivity	"Plant sensitivity to an acidic (pH<7) growth media." [Gramene:pankaj_jaiswal, TO:moorel]	TO:0000254 ! growth media pH sensitivity
TO:0000480	nutrient sensitivity	"A growth media composition sensitivity (TO:0000238) which is the plant's response to an excess or deficient amount of the macro or micronutrient in the growth medium (soil/culture media)." [Gramene:pankaj_jaiswal, TO:moorel]	TO:0000238 ! growth media composition sensitivityWTO:0000008 ! abiotic conditionTO:0000168 ! abiotic stress trait
TO:0000481	alkali sensitivity	"Plant sensitivity to an alkali (pH>7) growth media." [Gramene:pankaj_jaiswal, TO:moorel]	TO:0000254 ! growth media pH sensitivity
TO:0000482	chemical stress sensitivity	"Response by the plant in terms of resistivity or senility to chemical stress." [Gramene:pankaj_jaiswal]	TO:0000168 ! abiotic stress trait
TO:0000483	germinability at low temperature	"Measure of the seed's germination ability at sub-permissive temperature levels." [Gramene:pankaj_jaiswal]	TO:0000653 ! seed growth and development traitTO:0000931 ! seed quality trait
TO:0000484	seed shape	"A seed morphology trait (TO:0000184) which is the shape of a seed (PO:0009010)." [Gramene:pankaj_jaiswal, PO:0009010, TO:moorel]	TO:0000184 ! seed morphology trait
TO:0000485	sterility related trait	None	TO:0000392 ! sterility or fertility trait
TO:0000486	seed color	"A seed morphology trait (TO:0000184) which is the color of a seed (PO:0009010)." [Gramene:pankaj_jaiswal, PO:0009019, TO:moorel]	WTO:0000127 ! bread making qualityTO:0000184 ! seed morphology trait
TO:0000487	endosperm color	"An endosperm morphology trait (TO:0000575) which is the color of an endosperm (PO:0009089)." [Gramene:pankaj_jaiswal, PO:0009089, TO:moorel]	TO:0000575 ! endosperm morphology trait
TO:0000488	seed composition quality trait	None	TO:0000931 ! seed quality trait
TO:0000489	carbohydrate composition related trait	None	TO:0000281 ! metabolite content trait