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白菜花叶病在广州地区每年均有一个规律性发病高峰期,其发生流行以传毒虫媒、气候条件关系最大,其次为品种与栽培管理等因素。该病毒原有TuMV、CMV及TMV三大类,但菜田以TuMV及其复合毒株占大多数,而且TuMV复合毒株致病性远比TuMV为重。防治上采用以耐病品种为主的防病丰产措施,若采用尼龙网小拱棚栽培措施,具有设施简便、病虫兼防并具有明显增产的优势,为目前条件下对白菜花叶病特大流行和生产无公害蔬菜具有实效性的好方法。
Cabbage mosaic disease in Guangzhou every year have a regular peak incidence, the prevalence of insecticides to transmit the media, the climatic conditions most closely, followed by varieties and cultivation management and other factors. The original virus TuMV, CMV and TMV three categories, but vegetable fields to TuMV and its composite strains accounted for the majority, and TuMV complex virulence than TuMV weight. Prevention and control of disease-resistant varieties based disease prevention and yield measures, if the use of nylon mesh small Shed cultivation measures, with facilities, pests and diseases and with obvious advantages of increased yield for the current conditions of pandemic mosaic disease pandemic and Production of pollution-free vegetables with a good way to effectiveness.