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杂交稻威优64,1983年开始在我场进行试验示范,1984年即大面积推广,主要作麦茬中稻栽培。近两年又较大面积地应用于直播再生,即一种两收。该组合的特点是:生育期较短,产量高,属感温型早熟中稻类型。在我场作麦茬中稻栽培,6月20日直播,10月10日左右成熟,亩产500公斤以上;作直播再生利用,4月20日直播,头季8月10日
Weiyou hybrid rice 64, started in 1983 in my field trial demonstration, that is, large-scale promotion in 1984, mainly for cultivation of stubble medium rice. In the past two years and a larger area for live broadcast regeneration, that is, a two income. The characteristics of this combination are: shorter growth period and high yield, which belongs to the type of middle-rice with temperature-sensitive early maturity. In my field for stubble cultivation of medium stubble, live on June 20, mature around October 10, more than 500 kilograms per mu; for live broadcast recycling, live on April 20, the first quarter of August 10