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中9优591是恩施土家族苗族自治州农业科学院用自育抗稻瘟病恢复系恩恢591与中国水稻所引进的不育系中9A配组育成的三系杂交中稻,具有高产、抗病等特点。介绍了该组合的亲本特点和高产制种技术。
Zhongyouyou 591 is a middle-aged three-line hybrid rice combination with male sterile line 9A introduced from the self-bred blast resistance restorer En Hui 591 in Enshi Tujia and Miao Autonomous Prefecture of China with high yield and disease resistance . The characteristics of the parents and high-yielding seed production techniques are introduced.