杂交中粳六优121高纯度高产量制种技术

The Technique of Middle Japonic Hybrid Rice Combination Liuyou 121 Seed Production with High Purity and High Yield

阐述了杂交中粳六优 12 1亲本的特征、特性。总结了提高亲本纯度 ,严格隔离条件 ,合理安排播差期 ,偏攻父本 ,创建高产群体和合理的穗粒结构 ,巧用“九二○” ,搞好人工辅助授粉 ,提高异交结实率 。

The characters of middle japonic hybrid rice combination Liuyou 121 was described in the paper. The experience and technique of the strict isolation condition, the reasonable arrangement of seeding period and the utilization of Jiuerlin(920) etc was summarized in order to raise the purity and yield of hybrid seeds.