杂交油菜制种纯度的主要影响因素及其解决途径

The main affecting factors and the solving ways about seed purity in bybrid rape seed production (Brassica Napus L.) by CMS system in Hunan province

指出了湖南省杂交油菜制种中影响种子纯度的一些主要因素 :微量花粉、周边环境、亲本纯度、父本混杂等 。

The main factors which affect the seed purity in seed production of hybrid rapeseed (B.Napus L.) was analysed, the affecting factors in Hunan province mainly are Micro-pollen grain; environment; purity of parents; mix with the seed of male and so on. Some ways were proposed to solve the problem in this text.