番茄晚疫病又称“疫病”,是危害番茄的主要病害之一。随着保护地蔬菜的发展,番茄晚疫病的发生规律有所改变,因此在防治上要不同于露地栽培。 一、消灭侵染源。保护地有利于晚疫病病菌的越冬,其主要传播途径是土传,因此要做好土壤处理,尤其是上茬为茄科作物地块更要进行土壤消毒。具体方法:①用杀毒矾可湿性粉剂500—600倍 Late blight, also known as “blight”, is one of the major diseases that endanger tomatoes. With the development of protected vegetables, the occurrence of tomato late blight has changed, so the prevention and treatment should be different from the open field cultivation. First, eliminate the source of infection. Protected land is conducive to the late blight pathogen overwintering, and its main route of transmission is soil, so to do soil treatment, especially the crop for the above crops for solanaceous soil should be more soil disinfection. Specific methods: ① with anti-virus alum wettable powder 500-600 times