设施大棚栽培的黄瓜,在其发生的病害中,以细菌性角斑病和霜霉病的发病症状十分相似,不太容易区分,但防治方法迥然相异。许多菜农常常将这两种病害混为一谈,采用相同的防治方法,既影响了防治效果,又增加了农药等开支。现将这两种病害的不同之处介绍如下。一、两种病害的区别1.病 Greenhouse cucumber cultivation facilities, in its disease, the incidence of bacterial angular leaf spot and downy mildew symptoms are very similar, not easy to distinguish, but the control methods are very different. Many vegetable farmers often confuse these two kinds of diseases with the same method of prevention and control, which not only affects the prevention and control effects but also increases the expenses such as pesticides. Now the difference between these two diseases are described below. First, the difference between the two diseases 1. Disease