两优培九原名 650 0 2 ,由江苏省农科院粮作所以“培矮 64 S× 93 1 1”杂交育成 ,1 999年 4月通过江苏省品种审定。盐城市从 1 997年引进 ,示范面积逐年扩大 ,目前稳定在 2 2 0 0 hm2 左右。生产实践表明 ,两优培九是一个生长优势显著、穗粒结构协调、生育时期适中、抗逆性理 Liangyoupeiju was formerly named 650 0 2 and was bred by “Pei’ai 64 S × 93 1 1” from Jiangsu Academy of Agricultural Sciences. In April 1999, it passed the examination of varieties in Jiangsu Province. Yancheng introduced from 1997, the demonstration area has expanded each year, currently stable at around 2200 hm2. Production practice shows that Liangyou Peijiu is a significant growth advantage, grain structure and coordination, moderate growth period, resistance theory