浙江杭州市郊的菜农,对于甘蓝采种的方法很多,一般来讲可别为普通留球(十字形)与刈球采种二类。至于留心去球的采种方法很少看见,菜农们虽熟悉而习惯的进行了各种的采种法,但他们却很少注意种子质量的好坏,或者有的农民单纯经济观点出发都采用了刈球采种的方法,而忽视了这种方法对于种株发育与种子产量的影响。有的文献记载,认为刈球 Vegetable farmers in the suburbs of Hangzhou, Zhejiang Province, there are many ways for planting cabbage, in general, do not be ordinary ball (cruciform) and the type of pollen raspberry seed. As for attentively, the methods of seed collection are seldom seen. Although farmers are familiar with and habitually used various methods of seed collection, they seldom pay attention to the quality of the seeds, or some peasants adopt the mow Ball mining methods, while ignoring the method for seed development and seed yield. Some records, think of hitting balls