Rice Trait Ontology

ID	NAME	DEFINITION	IS_A
TO:0000285	nodal tillering	None	TO:0000329 ! tillering ability
TO:0000286	submergence sensitivity	"Measure of sensitivity of a plant if placed under submergence condition." [IIRRI:SES]	TO:0000114 ! flooding related trait
TO:0000287	brown rice shape	"A grain shape (TO:0002730) of the brown rice. Measure after harvesting, cleaning, and dehulling." [IRRI:SES, TO:moorel]	TO:0002730 ! grain shape
TO:0000288	alpha-amylase activity trait	"An amylase activity trait (TO:0000703) which is the quality of the endohydrolysis of 1,4-a-D-glucosidic linkages in polysaccharides containing three or more 1,4-a-linked D-glucose units." [EC:3.2.1.1, GO:0004556]	TO:0000703 ! amylase activity trait
TO:0000289	carotene content	"A carotenoid content trait (TO:0000496) which is the amount of carotene (CHEBI:23042) in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal, ISBN:198506732, TO:cooperl]	TO:0000496 ! carotenoid content
TO:0000290	flavonoid content	"A phytochemical compound content trait (TO:0000674) which is the amount of flavonoid (CHEBI:47916) in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal, TO:cooperl]	TO:0000674 ! phytochemical compound content
TO:0000291	carbohydrate content	"A metabolite content trait (TO:0000281) which is the amount of carbohydrate (CHEBI:16646) in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal, TO:cooperl]	TO:0000281 ! metabolite content trait
TO:0000292	yellow dwarf disease resistance	"Causal agent	TO:0000013 ! resistance to disease by mycoplasma-like organism
TO:0000293	chlorophyll a content	"A chlorophyll content trait (TO:0000495) which is the chlorophyll a content in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal, TO:cooperl]	TO:0000495 ! chlorophyll content
TO:0000294	leaf sheath auricle color	"A leaf sheath auricle morphology trait (TO:0002717) which is the color of a leaf sheath auricle (PO:0020106)." [IRRI:SES, PO:0020106, TO:cooperl]	TO:0002717 ! leaf sheath auricle morphology trait
TO:0000295	chlorophyll b content	"A chlorophyll content trait (TO:0000495) which is the chlorophyll b content in a plant structure (PO:0009011)." [Gramene:pankaj_jaiswal, TO:cooperl]	TO:0000495 ! chlorophyll content
TO:0000296	vegetative vigor	"Represents the growth of plant. Used to evaluate genetic material under stress and non-stress conditions, several factors may interact, influencing the seedling vigor (e.g. tillering ability, plant height, etc)." [Gramene:pankaj_jaiswal]	TO:0000250 ! plant vigor trait
TO:0000297	glucosamine content	"An oligosaccharide content (TO:0006003) which is the amount of glucosamine (CHEBI:5417) in a plant structure (PO:0009011)." []	TO:0006008 ! carbohydrate derivative contentTO:0006003 ! oligosaccharide content
TO:0000298	chlorophyll ratio	"A chlorophyll content trait (TO:0000495) which is the ratio of chlorophyll a to chlorophyll b in a plant structure (PO:0009011)." [ISBN:198506732, TO:cooperl]	TO:0000495 ! chlorophyll content
TO:0000299	leaf lamina color	"A leaf lamina morphology trait (TO:0000829) which is the color of the leaf lamina (PO:0020039)." [IRRI:SES, PO:0020039, TO:moorel]	TO:0000829 ! leaf lamina morphology trait
TO:0000300	glucose content	"Amount of glucose present in the plant or plant part." [Gramene:pankaj_jaiswal]	TO:0000307 ! hexose content
TO:0000301	xanthophyll content	"The xanthophyll content in a plant or plant part." [ISBN:198506732]	TO:0000496 ! carotenoid content
TO:0000302	smut disease	"OBSOLETE." []	None
TO:0000303	cold tolerance	"Tolerance to cold temperatures if plant is exposed to below permissive temperature limits. Observe differences in vigor along with subtle changes in leaf color. The optimum time to make observations would be the seedling, tillering (sensu Poaceae), flowering and mature stages." [Gramene:pankaj_jaiswal, IRRI:SES]	TO:0000432 ! temperature response traitWTO:0000270 ! tolerance to extreme temperature
TO:0000304	seed thickness	"A seed morphology trait (TO:0000184) which is the thickness of a seed (PO:0009010)." [Gramene:pankaj_jaiswal, PO:0009010, TO:moorel]	TO:0000391 ! seed size