晚粳苏稻1号系江苏省苏州专区农科所通过品种內杂交选育而成的。自推广以来連續大面积平衡增产,栽培面积迅速扩大。一九六二年在江苏苏州专区栽培达20余万亩,秋收后种子供不应求,初步统計一九六三年可能达200余万亩。現将苏稻1号的特征特性和选育經过介紹如下。 Late rice japonica rice Su-1 Department of Agricultural Science in Jiangsu Province, Jiangsu Province through cross-breeding varieties made. Since the promotion of large areas continue to increase production balance, the rapid expansion of cultivation area. In 1962, more than 200,000 mu of cultivated area was planted in Suzhou, Jiangsu Province. After the harvest in autumn, the seeds were in short supply, and the preliminary statistics could reach more than 200 million mu in 1963. The characteristics and breeding of Suyao 1 are described below.