【摘 要】
：
威优64(V20A ×测064—7) 1981年由袁隆平等育成。其恢复系测64—7是从IR9761—19—1群体中经多代测交筛选育成的。该组合属早熟中籼类型,在湖南作早稻全生育期125天左右,作
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威优64(V20A ×测064—7) 1981年由袁隆平等育成。其恢复系测64—7是从IR9761—19—1群体中经多代测交筛选育成的。该组合属早熟中籼类型,在湖南作早稻全生育期125天左右,作中稻130天左右,作晚稻108—110天,适合于华南北部地区作早稻,长江流域部分山区、高海拨地区作一季中稻和
Weiyou 64 (V20A × measured 064-7) 1981 by Yuan Longping bred. The restorer line 64-7 was selected from multiple populations in the IR9761-19-1 population. The combination is a type of early-maturing medium indica rice. It is about 125 days for early rice in Hunan, about 130 days for mid-season rice and 108-110 days for late rice. It is suitable for early rice in northern South China, some mountainous areas in the Yangtze River valley and high-altitude areas A season of rice and
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