随着蔬菜保护地栽培技术的推广应用 ,生态条件的改变 ,保护地番茄灰霉病的发生逐年加重 ,成为生产中的突出问题。一般病果率5 %～ 1 5 % ;重者高达 5 0 % ,病田率 60 %～90 % ,严重制约保护地番茄早果优质丰产 ,直接影响其商品价值和经济效益。1　症状保护地番茄灰霉病在苗期主 With the popularization and application of cultivation techniques for the protection of vegetables and the change of ecological conditions, the occurrence of gray mold disease in protected areas has been increasing year by year, becoming a prominent issue in production. The general disease rate of 5% ~ 15%; heavy as high as 50%, disease rate of 60% to 90%, seriously restricting the protection of tomato early fruit high yield, a direct impact on the value of their products and economic benefits. 1 symptoms of tomato gray mold disease in seedling stage