福建省永春县东关镇800亩无公害冬瓜示范片,多年来连续获得好收成。但由于连年种植,未实施轮作倒茬,致使冬瓜枯萎病发生年趋严重,直接影响冬瓜产量。为此,永春县农业技术推广站和东关镇冬瓜生 Yongchun County, Fujian Province, Dong Guan Zhen 800 acres of pollution-free melon demonstration film, for many years been a good harvest. However, due to continuous planting, did not implement the crop rotation, resulting in the incidence of waxy wilt mildew becomes more serious, a direct impact on winter melon production. To this end, Yongchun County Agricultural Technology Extension Station and Dong Guanzhen melon students