【摘要】 金优９７４ 是湖南省衡阳市农科所以金２３Ａ 为母本，Ｔｏ９７４ 为父本选配出的籼型优质杂交早稻组合。该组合具有生育期短、丰产稳产、米质优、抗性强和制种产量高等特点，１９９９ 年２ 月通过湖南省农作物品种审定。更多还原

【Abstract】 Jinyou 974 (Jin 23A/To974), newly developed by the Hengyang Agricultural Research Institute of Hunan, is a fine quality indica hybrid rice for early cropping season in the area of double rice cropping pattern. It is characteristic of early maturity, high and stable yield, fine quality, good resistance and high seed production yield. It was released to farmers in February, 1999. Its cultural management and hybrid seed production techniques were also briefly introduced.更多还原