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威优64(V20A×测64—7)是原湖南安江农校研究员袁隆平新近选育成的杂交稻新组合。该组合从1981年开始试验、示范、推广,表现良好,种植面积发展很快。1984年湖南怀化地区种植50万亩。1983年引入我省思茅等地试验,1984年扩大种植,表现抗病、早熟、高产,在我省是一个有一定发展前途的新组合。1985年思茅、红河等地调入种子,估计全省种植5万余亩。
Weiyou 64 (V20A × measure 64-7) is a new hybrid rice newly bred by researcher Yuan Longping from Hunan Anjiang Agricultural School. The combination has been experimenting, demonstrating, promoting, performing well since 1981, and the area under cultivation has grown rapidly. 1984 Hunan Huaihua planted 500000 acres. In 1983, Simao and other places were introduced into our province. In 1984, planting was expanded to show disease resistance, early maturity and high yield. It is a new combination with certain development prospects in our province. 1985 Simao, Honghe and other places transferred to the seeds, it is estimated that the province planted more than 50,000 acres.