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保护地蔬菜幼苗期,常遇到阴雨(雪)天气,这样易造成苗床内低温、高湿、缺阳光,利于猝倒病菌和立枯病菌的大量繁殖。同时易形成细弱苗,从而导致这两种病害严重发生,对其防治应采取加强苗床管理为主,药剂防治为辅的综合措施: 一、选用无病新土作苗床:选择地势较高、排水良好、土质肥沃疏松的无病地。底肥施足充分腐熟的有机肥。
Protected vegetable seedlings, often encounter rainy (snow) weather, so easily lead to seedbed temperature, humidity, lack of sunlight, which is conducive to the damping off bacteria and damping-off bacteria multiply. At the same time easy to form thin seedlings, resulting in serious occurrence of these two diseases, the prevention and treatment should be taken to strengthen the management of seedbed, supplemented by chemical prevention and treatment of comprehensive measures: First, the selection of disease-free seedbed for new soil: choose a high terrain, drainage Good, soil fertile loose disease-free. At the end of sufficient full maturity organic fertilizer.