Abstract: According to phenomena that many deploid crops consist in nature, polyploid vegetable crops were researched by researchers come from China, Japan, Soviet Union, Sweden, German and so on. It had have a certain extentprogress. Researchers of all over the world researched inducing aberrance on Chinese cabbages in middle of 20th century,including physical radialization, chemical, cuvette asepsis seedling etc.At last all of them losted for their low fertility. Re??searchers of ICC ( Institute of Cash Crops, Hebei Academy of Agriculture and Forestry Sciences) had momentous progresson polyploid Chinese cabbages breeding by select ing common deploid Chinese cabbage varities that including 2n gameteand crossed with contrived induce polyploid varities. All of them were authenticated by appearance, microspore, stoma, cellobserving. Some polyploid Chinese cabbages varieties were bred and applicated for product ion. Application foreground ofpolyploid Chinese cabbage were analysed and some advices on breeding were given.

Key words: Chinese cabbage, Polyploid, Breeding, Research developed

CLC Number: 

• S634.1