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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 700309'Trinity'Oryza sativa L. Texas, United StatesPVPONot Available2022DEVELOPEDCultivar‘Trinity’, a conventional long-grain rice (Oryza sativa L.) with high grain yield and quality, was developed by the Texas A&M AgriLife Research Center at Beaumont, TX, and released in 2021. Trinity was derived from a Saber/Cocodrie//Presidio cross made in 2006. It was designated as LCRA060559A2 in the observational nursery, TXEL0540 in the Beaumont and statewide yield trials, and RU1603178 in the Uniform Regional Rice Nursery. Trinity was developed for the Texas rice industry by incorporating traits important to its producers. Its main (8.75 t/ha) and ratoon (4.60 t/ha) crop yields are 14 and 20% greater than those of check cultivar Presidio, respectively. At 95 cm, Trinity is taller than Presidio by 6 cm and has not been observed to lodge. It heads in 87 days and is early-maturing. Its percentages of chalky grain and whole milled rice are 5.3 and 60%, respectively, which are slightly higher and lower, respectively, than those of Presidio. Trinity rice grain are non-aromatic and classified as intermediate amylose and intermediate gelatinization temperature rice types, which are typical of a U.S. long-grain rice cultivar. It exhibits a moderately low blast disease rating even without the Piz blast resistance gene present in Presidio. Overall, Trinity shows disease ratings comparable to Presidio but with significantly better sheath blight resistance than Presidio. Surveys from rice mills indicate that it has a very high potential as an acceptable long-grain cultivar.2137887PI 700309