Chainat 1, an Elite line of Phitsanulok Rice Research Center
1993
Tasanee Sa-nguansaj | Vasna Varamisra | Suradet Palawisut (Phitsanulok rice research center, Phitsanulok (Thailand))
Chainat 1 (CNTBR82075-43-2-1), a non-glutionous rice, was derived from the cross IR13146-158-1/IR15314-43-2-3-3//BKN6995-16-1-1-2. It is a high yielding photoperiod insensitivity, 119-130 days in maturity, 112 cm hight, just exserted panicle, and high nitrogen response. Its grain quality is straw hull colour, long slender grain with slight chalkiness, good milling quality, high amylose content, hard gel consistency and low gelatinization temperature. It is resistant to major insect pests and diseases in central region of Thailand such as blast (Pyricularia oryzae), ragged stunt virus disease, brown planthopper (Nilaparvata lugens) and whitebacked planthopper (Sogatella furcifera). Phitsanulok Rice Research Center therefore submits CNTBR82075-43-2-1 to Rice Research Institute to be and approved variety as the name Chainat 1 for solving the insect and disease problems of the farmers in the central region.
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