Chinese radish(Raphanus sativus L.var. longgpinnatus Bailey) which comes from China is an important vegetable, the planted area is about 1,200,000 hektare, which locates the first three of that of all kinds of vegetables. At present, the key problem which restricts annual production and balanced supply of radish is the lack of bolting resistance germ plasm, this problem is also the essential reason of grievous expense with the matter of bolting that easily appears throuth producing. Therefore, prove ...