番茄晚疫病又叫番茄疫病 ,是露地番茄的主要病害。但是 ,随着保护地栽培面积的增加 ,为番茄晚疫菌提供了越冬场所 ,菌源量不断累积 ,致使保护地番茄晚疫病有逐年加重趋势 ,番茄晚疫病已成为保护地番茄的重要病害。番茄晚疫病是由鞭毛菌亚门致病疫霉菌(Ｐｈｙｔｏｐｈｔｈｏｒａ Late blight, also known as tomato tomato disease epidemic, is the main disease exposed tomato. However, with the increase of cultivated area, the overwintering place for tomato Phytophthora infestans provided an overwintering place, and the amount of mycorrhizal fungi continued to accumulate. As a result, the late blight of tomato in the protected area tended to increase year by year. The late blight of tomato has become an important disease of tomato in the protected area. Late blight of tomato is caused by Phytophthora