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甘蓝一代杂种的种子生产 ,在河南、山东、山西南部等地区均采取种株露地越冬的栽培方式进行制种。实践证明 ,采取这种制种方式 ,管理简单、容易掌握 ,而且能保证一代杂种的种子质量和产量。一、育苗１、确定适宜的播种期甘蓝属于绿体春化作物 ,通过春化阶段时需要一定大小的苗?
Seed production of the first generation of cabbage hybrids, in Henan, Shandong, southern Shanxi and other regions are taking species of winter planting methods of field planting. Practice has proved that adopting this method of seed production, management is simple, easy to grasp, but also to ensure the seed quality and yield of hybrids. First, nursery 1, to determine the appropriate sowing cabbage is a green body vernal crops, through the vernalization stage needs a certain size of the seedlings?