嘉991是嘉兴市农科院育成的晚粳新品种,组合为武育粳7号/水晶1号(日本越光辐射育成)。2003年引入萧山区,经过两年的试种、试验和示范,表现十分突出,有推广种植的广阔前景。1.产量表现2003年在4个镇5个点进行小区比较试验,平均亩(1亩=667平方米,下同)产615.3千克,居参试品种第一 Jia 991 is a new japonica variety cultivated by Jiaxing Academy of Agricultural Sciences. The combination is Wuyujing 7 / crystal No.1 (Yueguang, Japan). Introduced to Xiaoshan District in 2003, after two years of trial planting, experimenting and demonstration, the performance is very outstanding and there is a broad prospect of promoting planting. 1. Production performance In 2003, 4 towns in 5 districts were compared with each other. The average mu (1 mu = 667 m2, the same below) produced 615.3 kg, ranking first in the test varieties