７０年代以来，我国许多地区采用自交不亲和系的途径，配制出许多丰产、优质、抗逆性强的甘蓝或白菜杂种一代。它们在生产上显示了极好的杂种优势，对提高蔬菜生产水平起到十分重要的作用。但是，配制杂种一代的自交不亲和系亲本种子，都是采用人工蕾期授粉法繁殖。因此十分费 Since the 1970s, self-incompatibility lines have been used in many areas of our country to formulate many high-yielding, high-quality and stress resistant hybrids of cabbage or cabbage. They show excellent heterosis in production and play an important role in raising the vegetable production level. However, the preparation of hybrid generations of self-incompatible parental parental seeds, are artificial bud stage pollination. So very expensive