威优64(V20A×测64)是我室1980年选育出来的一个杂交水稻新组合,经过3年6季的观察和试验,特别是1982年全省多点试种,都表现良好。 一、主要特征特性 1.生育期较短,产量较高。威优64作连晚栽培,比我省现有当家组合威优6号早熟15-17天。1981年威优64在安江7月5日播种,27日插秧,9 Weiyou 64 (V20A × 64) is a new hybrid rice combination bred in 1980 in our country. After 3 years and 6 seasons of observation and experiment, especially in 1982, more diversified varieties in the province were performed well. First, the main features 1. The growth period is shorter, higher yield. Weiyou 64 for late cultivation, compared with the existing prestige combination of the province prestige 6 Youyou 15-17 days. In 1981, Weiyou 64 sowed on Anjiang on July 5 and transplanted rice on the 27th