近几年大棚黄瓜霜霉病、番茄晚疫病逐年加重，造成严重减产，甚至绝收。瑞毒霉、乙磷铝等常规农药，多年超量使用已产生抗性，防效逐年降低，不但难以控制病害的发展，而且病害日愈严重。霜疫清是防治黄瓜霜霉病、番茄晚疫病的特效新药，主要有５种功效：１．治病迅速。在黄瓜 In recent years, greenhouse cucumber downy mildew, tomato late blight increased year by year, resulting in serious production cuts, or even absolute. Renstripene mold, phosphorus and other conventional pesticides, over the years have been over-generated resistance, control efficiency decreased year by year, not only difficult to control the development of the disease, but the disease more and more serious. Frost epidemic prevention and treatment of cucumber downy mildew, tomato late blight effects of new drugs, there are 5 main effects: 1. Rapid treatment. In cucumber