近年来,河北省南部越冬温室番茄栽培面积逐年增加,年平均亩产番茄16 000 kg,效益达2.3万元。越冬番茄一般8月上中旬开始定植,11月下旬至12月上旬开始采收,采收期持续到翌年7月。番茄从定植到采收要经历秋冬春夏4个阶段,各阶段环境条件变幅大,病害的发生种类也不同,给种植户 In recent years, the area of ​​tomato cultivation in the overwintering greenhouses in southern Hebei Province has been increasing year by year, with an average annual yield of 16,000 kg per mu and a profit of 23,000 yuan. Overwintering tomatoes generally begin in mid-August colonization, from late November to early December harvest, harvest continued until July the following year. Tomato from planting to harvesting to go through four phases of spring and summer fall and winter, the various stages of large changes in environmental conditions, the occurrence of diseases are also different, to growers