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冈优 1 5 77系用自育恢复系宜恢 1 5 77和冈 46A配组而成的中籼迟熟组合 ,具有产量高、穗子大 ,适应性广、抗稻瘟病等特点。 1 999年 3月通过四川省农作物品种审委会审定。
Gangyou 1 5 77 is a combination of middle-indica and late-maturity combinations with self-restoring lines Yihui 1 5 77 and Gang 46A with the characteristics of high yield, large ears, wide adaptability and resistance to rice blast. March 1999 through the Sichuan Provincial Crop Variety Commission approval.