近年来，随着我县甜辣椒栽培面积的不断增加，甜辣椒叶霉病发生逐年严重，并已造成部分地区甜辣椒减产、减收。由于该病发病初期症状与甜辣椒霜霉病极相似，造成广大菜农和部分农技人员的误 诊，不仅浪费了大量的人力和财力，还造成蔬菜品质下降，并错过了最佳防治时期，对产量 In recent years, with the increasing cultivation area of ​​sweet pepper in our county, the occurrence of sweet pepper leaf mold is serious year by year, and it has resulted in the decrease of production and reduction of sweet pepper in some areas. As the disease early symptoms and sweet pepper downy mildew very similar, resulting in the majority of farmers and some agricultural experts misdiagnosis, not only wasted a lot of manpower and financial resources, but also led to the decline in vegetable quality, and missed the best control period, the right Yield