为加快实现我国甘蓝品种杂优化,我们对目前甘蓝杂交制种中某些组合亲本花期不遇或抽苔种株向营养生长逆转等问题,从品种生态上进行了调查研究,已获初步结果。一、结球甘蓝不同亲本品种生态差异结球甘蓝是个幼苗春化型作物。即其成花过程,要求以一定大小的苗株来感受低温作用而通过春 In order to speed up the hybrid optimization of cabbage varieties in our country, we have carried out the investigation and study on the ecotypes of some varieties of hybrid cabbage at present, such as the inflorescence of some combination parents or the reversal of vegetative growth of bolting plants, and obtained initial results. First, the cabbage different parental varieties ecological differences Cabbage is a seedling vernalized crops. That is, its flower process, requiring a certain size of seedlings to experience the role of low temperature through the spring