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严冬和初春季节,日光温室内的低温、高湿,极易使蔬菜感染霜霉病、角斑病、灰霉病、晚疫病等多种病害。为降低棚内湿度、减轻发病。提高防治效果,以采用烟雾剂或粉
Harsh winter and early spring, the greenhouse of low temperature, high humidity, easily infected vegetables downy mildew, angular leaf spot, gray mold disease, late blight and other diseases. To reduce shed humidity and reduce the incidence. Improve the control effect to use aerosol or powder