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番茄晚疫病(Phytophthora infest-ans)是番茄的一种主要病害,近年来在我省发生日趋严重。1984、1985年由于4、5月份多雨,空气湿度高,菌源数量大,造成病害大流行。一般发病株率60％以上,有些地区减产损失达50％,严重地块绝收或基本绝收,对番茄生产威胁很大。
Phytophthora infest-ans is a major tomato disease and has become increasingly serious in our province in recent years. In 1984 and 1985, due to rainy in April and May, high humidity in the air and large number of bacterial sources, the disease pandemic was caused. The average incidence of more than 60% of the plant, cut losses in some areas up to 50% of the total block or almost absolutely Abandoned, a great threat to tomato production.