白菜自交不亲和系制种以前往往采取人工剥蕾授粉,大量消耗人㈠力,产种量低,难以满足生产需求。今年我们采取了育大苗壮苗、扣网罩、放蜜蜂、喷生理盐水等措施,使自交不亲和系种子产量大幅度提高。390m~2的面积产种量达41.5kg,具体方法如下: 1 育大苗壮苗育苗掌握的原则是水肥适宜,高温出苗、平温长苗、低温炼苗。1月上旬选择富含有机质的营养土过细筛装入营养钵内,精细点播二三粒种 Chinese cabbage self-incompatibility seed production often take artificial peel-pollination, a large number of people consume, the low yield, it is difficult to meet production needs. This year we have adopted measures such as nurturing young seedlings, buckling the net cover, putting bees and spraying physiological saline so that the yield of self-incompatible seeds will be greatly increased. 390m ~ 2 area of ​​?? the production of 41.5kg, specific methods are as follows: 1 The principle of fertility seedling nursery nursery stock is suitable for water and fertilizer, high temperature emergence, flat temperature seedling, low temperature refining seedlings. In early January, select the nutrient-rich soil containing organic matter over sieve into the nutritional bowl, fine on-demand twenty-three varieties