针对油菜品种易于混杂退化的问题 ,结合油菜繁殖系数大的特点而提出的油菜品种整理的改进方法——双向鉴定循回整理法 ,既可迅速恢复品种种性 ,实现品种的不断整理 ;又可实现品种整理与良种生产的良好结合 ,连续不断地进行种子生产 ,确保良种供给。其操作简便 ,实施效果俱佳。 In view of the problem that rapeseed is easy to be mixed and degenerated, the improvement method of rapeseed sorting, which is put forward by combining with the characteristics of large rapeseed multiplication coefficient, is two-way identification and recycling finishing method, which not only can quickly restore variety, To achieve a good combination of varieties and improved seed production, continuous production of seeds to ensure the supply of seeds. Its easy to operate, the implementation of good results.