Rice Trait Ontology

ID	NAME	DEFINITION	IS_A
TO:0000512	plant survival percentage under submergence	"Percent of plants survived under submerged conditions." [Gramene:pankaj_jaiswal]	TO:0000114 ! flooding related trait
TO:0000513	potassium concentration	"The total potassium ion concentration measured in a plant or a plant part or plant extract." [Gramene:pankaj_jaiswal]	TO:0000609 ! potassium content
TO:0000514	potassium uptake	"The total potassium ion uptake measured in a plant or a plant part." [Gramene:pankaj_jaiswal]	TO:0020096 ! mineral and ion transport trait
TO:0000515	relative growth rate	"A vigor trait (TO:0000250) that is the increase in aboveground biomass in a defined period of time." [Gramene:pankaj_jaiswal, ISBN:9780044453734, TO:Laurel_Cooper]	TO:0000250 ! plant vigor trait
TO:0000516	relative root length	"The relative length of the root determined after a given treatment as compared to the one determined under normal conditions." [Gramene:pankaj_jaiswal]	TO:0000227 ! root length
TO:0000517	relative shoot elongation under submergence	"Elongation of the shoot under submergence condition against a reference without submergence." [Gramene:pankaj_jaiswal]	TO:0000114 ! flooding related traitTO:0000739 ! shoot axis morphology trait
TO:0000519	rooting depth	"It is calculated from the deepest soil layer where roots were present and the longest root measured in the layer." [Gramene:pankaj_jaiswal, PMID:12582650]	TO:0000043 ! root morphology trait
TO:0000520	stomatal closure rate	"The rate of closure of stomata due to stress or coupled to the rate of photosynthesis and/or transpiration." [Gramene:pankaj_jaiswal]	TO:0020095 ! stomatal process related trait
TO:0000521	stomatal closure time	"Average time taken for closure of stomata due to stress or coupled to the rate of photosynthesis and/or transpiration." [Gramene:pankaj_jaiswal]	TO:0020095 ! stomatal process related trait
TO:0000522	stomatal conductance	"It is a numerical measure of the maximum rate of passage of either water vapour or carbon dioxide through the stomata." [Gramene:pankaj_jaiswal, Wikipedia:Stomatal_conductance]	TO:0020095 ! stomatal process related trait
TO:0000523	stomatal resistance	"Stomatal resistance (or its inverse, stomatal conductance) can therefore be calculated from the transpiration rate and humidity gradient. (The humidity gradient is the humidity inside the leaf, determined from leaf temperature based on the assumption that the leaf's air spaces are saturated with vapor, minus the humidity of the ambient air, which is measured directly)." [Wikipedia:Stomatal_conductance]	TO:0020095 ! stomatal process related trait
TO:0000524	submergence tolerance	None	TO:0000286 ! submergence sensitivity
TO:0000525	sodium to potassium content ratio	"The ratio of total sodium to potassium ion content measured in a plant or a plant part." [Gramene:pankaj_jaiswal]	TO:0000465 ! mineral and ion content trait
TO:0000526	sodium concentration	"The total sodium ion concentration measured in a given volume of a plant or a plant part or plant extract." [Gramene:pankaj_jaiswal]	TO:0000608 ! sodium content
TO:0000527	sodium uptake	"The total sodium ion uptake measured in a plant or a plant part." [Gramene:pankaj_jaiswal]	TO:0020096 ! mineral and ion transport trait
TO:0000528	total shoot elongation under submergence	None	TO:0000114 ! flooding related trait
TO:0000529	abaxial stomatal frequency	"Number of stomata present on the abaxial surface of leaf." [Gramene:pankaj_jaiswal]	TO:0000566 ! leaf stomatal complex frequency
TO:0000530	adaxial stomatal frequency	"Number of stomata present on the adaxial surface of leaf." [Gramene:pankaj_jaiswal]	TO:0000566 ! leaf stomatal complex frequency
TO:0000531	anther length	"An anther morphology trait (TO:1000022) which is the length (PATO:0000122) of an anther (PO:0009066)." [TO:austin_meier, TO:ethan_johnson]	TO:1000022 ! anther morphology trait
TO:0000532	lemma apiculus hair length	"A cardinal organ part morphology trait (TO:0000754) which is the length of the hair of a lemma apiculus (PO:0025616)." [Gramene:pankaj_jaiswal]	TO:0000754 ! cardinal organ part morphology trait