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杂交稻新品种川优6203属中籼三系杂交稻,由四川省农业科学院作物研究所选育(不育系川106A×恢复系成恢3203),2011年经四川省农作物品种评审委员会审定通过。2012~2014年陕西省南郑县引进示范推广,连续3年均表现出高产稳产、抗性好、生育期适中的品种特性。2014年经国家农作物品种评审委员审定通过(审定编号:国审稻
The new hybrid rice variety Chuanyou 6203 belongs to three-line indica hybrid rice, which was selected by Crop Research Institute of Sichuan Academy of Agricultural Sciences (sterile line Chuan 106A × restorer Chenguang 3203). In 2011, it was approved by Sichuan Provincial Crop Variety Evaluation Committee . From 2012 to 2014, Nanzheng County, Shaanxi Province, introduced and promoted the demonstration and showed the characteristics of high yield and good yield, moderate resistance and moderate growth period for the third consecutive year. In 2014, it was approved by the National Crop Variety Evaluation Committee (Validation No .: State Trial Rice