Heading Chinese cabbage
is one of the most important vegetable in Asia, especially in China, Japan and Korea. Turnip mosaic virus (TuMV) is the most important virus disease in Chinese cabbage, and reduces not only crop yield but also quality of the produces. TuMV is transmitted in a non-persistent manner by over 40 aphid species. Attempts to control vector with insecticides have been unsuccessful. Among the strains, TuM V-C4 is the most predominant. The development of virusresistant varieties is...