大白菜软腐病、又叫烂“疙瘩”,“脱帮”,除为害白菜外,还为害甘蓝、萝卜、西红柿、辣椒、大葱、黄瓜等。大白菜主要在包心期和贮藏期受害。病菌主要随病株残体在土壤、肥料、垃圾或跳甲、菜青虫等昆虫体内越冬,通过雨水、灌溉、肥料和昆虫进行传布,通过伤口侵入而发病。发病的主要原因是:大白菜在包心期遇低温、多雨或施未腐熟的肥料;地势低洼、土壤粘重、大水漫灌(一次亩灌水量超过100m~3);连作或中耕伤根等,均会引起发病。实践证明,采用综合防治效果好。 Cabbage soft rot, also known as rotten “knots”, “help off”, in addition to the harmful cabbage, but also against the cabbage, radishes, tomatoes, peppers, green onions, cucumbers and so on. Chinese cabbage is mainly affected during the pericardium and storage period. Pathogen mainly with the residual disease in soil, fertilizer, trash or hopper, cabbage caterpillar and other insects in the winter, through the rain, irrigation, fertilizers and insects spread through the wound invasion. The main causes of the disease are as follows: Chinese cabbage in the infancy encountered low temperature, rain or applied maturity of the fertilizer; low lying, soil sticky, flood irrigation (a mu of irrigation water more than 100m ~ 3); , Will cause the disease. Practice has proved that the use of integrated control effect.