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川农优527是四川农业大学水稻研究所用新育成的优良高配合力不育系川农1A与其育成的优质高配合力恢复系蜀恢527配组而成的中籼迟熟三系杂交稻新组合。该组合具有熟期适中、穗大粒重、高产稳产性突出、适应性好、米质优(达国标3级优质稻谷标准)、抗性较好等特性,先后于2008年、2009年和2010年通过四川省、国家和浙江省农作物品种审定。介绍了该组合的选育过程、主要特征特性及栽培、制种技术要点。
Chuannongyou 527 is a new middle-indica late maturing three-line hybrid rice developed by Sichuan Institute of Rice Research Institute with the new high-yielding CMS line Chuannong 1A and its high-yielding and restorable line Shuhui 527 combination. The combination has the characteristics of moderate maturity, large kernel weight, high and stable yield, good adaptability, good quality of rice (up to GB3 high quality rice standard) and good resistance, and has been successively applied in 2008, 2009 and 2010 Approved by Sichuan Province, the state and Zhejiang Province crop varieties. The breeding process, main characteristics and characteristics of cultivation and seed production techniques are introduced.