由于适合于春季栽培的小白菜品种冬性强，在正常条件下抽苔开花晚，开花盛期经常遇到高温多雨，造成育种材料的种株采种非常困难，在繁殖生产用种时也会因此造成种子产量低。为提高此类品种的采种量，通过人为手段使其提早适时抽苔开花非常重要。此类品种的抽苔开花对低温... Because suitable cabbage cultivars in winter are strong in winter, bolting and flowering are late under normal conditions, high temperature and raininess are often encountered in the flowering period, which makes it very difficult to seed the seed of breeding materials and therefore, Resulting in low seed yield. In order to increase the seed collection rate of such varieties, it is very important to make the bolting and flowering timely by artificial means. Such varieties of bolting flowering on the low temperature ...