Vegetable Polyploid and Polyploidy Breeding

The polyploid is very important in vegetable breeding and has a wide prospect for development and utilization.Although vegetable polyploid breeding has a history of 70 years,until now only a few polyploidy varieties of watermelon,radish,cabbage and potato are used in vegetable production. Vegetable polyploid breeding is embarrassed by the characters of polyploid plants and backward breeding technology.In this paper,the way in which polyploid forms is introduced systematically,the major obstacles in polyploid breeding and their removal are discussed.In addition,the successful utilization of vegetable polyploid is analyzed and summarized,and the prospect for the development of vegetable polyploid breeding is forecasted.