大白菜软腐病是白菜的主要病害，生产上常因危害严重减产，其至造成绝收。大白菜腐烂病是一种细菌型病害，病菌主要在病残体、土壤中越冬，通过浇水、雨水和昆虫传播，从根部、菜帮等处伤口裂口侵入危害。为了进一步积累有关防治经验，２０００～２００１年，昌黎县植保站进行 Chinese cabbage soft rot disease is the main disease of cabbage, the production is often due to serious harm to reduce production, which caused the absolute income. Chinese cabbage rot disease is a bacterial disease, the bacteria mainly in the diseased, overwintering in the soil, through watering, rain and insect transmission, from the root, Gangbang injury at the wound gap invaded. In order to further accumulate experience on prevention and control, 2000 ~ 2001, Changli County Plant Protection Station