Rice Trait Ontology

ID	NAME	DEFINITION	IS_A
TO:0006046	sulfur content	"A mineral and ion content trait (TO:0000465) which is the sulfur cation (CHEBI:29832) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006047	calcium content trait	"A mineral and ion content trait (TO:0000465) which is the calcium cation (CHEBI:39123) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006048	manganese concentration	"A manganese content (TO:0020091) which is the concentration of manganese (CHEBI:25154) in some plant structure (PO:0009011)" [Gramene:Karthik]	TO:0020091 ! manganese content
TO:0006049	iron concentration	"An iron content (TO:0020089) which is the concentration of iron cation (CHEBI:24875) in a plant structure (PO:0009011)" [Gramene:Karthik]	TO:0020089 ! iron content trait
TO:0006050	cobalt concentration	"A cobalt content trait (TO:0001044) which is the concentration of cobalt cation (CHEBI:23336) in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0001044 ! cobalt content trait
TO:0006051	nickel content	"A mineral and ion content trait (TO:0000465) which is the nickel cation (CHEBI:25516) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006052	copper concentration	"A copper content (TO:0020092) which is the concentration of copper (CHEBI:23377) in a plant structure (PO:0009011)." [Gramene:Karthik] {comment="TO:cooperl"}	TO:0020092 ! copper content trait
TO:0006053	zinc concentration	"A zinc content (TO:0020090) which is the concentration of zinc (CHEBI:63056) in some plant structure (PO:0009011)" [CHEBI:63056, Gramene:Karthik]	TO:0020090 ! zinc content trait
TO:0006054	arsenic content trait	"A mineral and ion content trait (TO:0000465) which is the arsenic cation (CHEBI:35829) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006055	selenium content	"A mineral and ion content trait (TO:0000465) which is the selenium ion (CHEBI:60250) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006056	molybdenum content	"A mineral and ion content trait (TO:0000465) which is the molybdenum cation (CHEBI:37239) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006057	cuperous ion concentration	"The total Cu2+ ion concentration measured in a given volume of a plant or a plant part or plant extract." [Gramene:pankaj_jaiswal]	TO:0006052 ! copper concentration
TO:0006058	cuperic ion concentration	"The total Cu3+ ion concentration measured in a given volume of a plant or a plant part or plant extract." [Gramene:pankaj_jaiswal]	TO:0006052 ! copper concentration
TO:0006059	cadmium content trait	"A mineral and ion content trait (TO:0000465) which is the cadmium cation (CHEBI:63063) composition in a plant structure (PO:0009011)." [Gramene:Karthik, TO:cooperl]	TO:0000465 ! mineral and ion content trait
TO:0006060	leaf chlorosis	"A leaf color trait (TO:0006060) describing the yellowing of leaves, due to insufficient production of chlorophyll." [Gramene:Karthik, TO:moorel]	TO:0000326 ! leaf color
TO:0006061	days to germinate	"Number of days taken from the day of sowing to the first emergence of cotyledons or hypocotyl." [Gramene:curators]	TO:0000933 ! plant phenological trait
TO:0006062	plant width	"The average width of a plant measured across an axis such as the main stem/stalk." [Gramene:pankaj_jaiswal]	TO:1000012 ! whole plant size
TO:0006063	leaf margin serrated	"A leaf margin morphology trait (TO:0002635) which is a notched or grooved leaf margin (PO:0020128)." [Gramene:curators, PO:0020128, TO:cooperl]	TO:0002635 ! leaf margin morphology trait
TO:0006064	rolled leaf	"Leaf lamina rolled into a tube like structure." [Gramene:Karthik]	TO:0000655 ! leaf growth and development trait
TO:0006065	seedling hypocotyl length	"A seedling hypocotyl morphology trait (TO:0000769) which is the length of a seedling hypocotyl (PO:0025291)." [Gramene:Karthik, PO:0025291, TO:cooperl]	TO:0000145 ! shoot axis internode lengthTO:0000781 ! seedling hypocotyl size