黄瓜是我盟塑料大棚栽培的主要蔬菜,近几年来由于霜霉病严重发生,全盟黄瓜的平均产量徘徊在万斤以下,这种情况威胁到黄瓜生产的稳步发展,致使栽培面积逐年下降。为了解决生产中存在问题,满足城林矿区人民生活的需要。去年我处开展新农药瑞毒霉防治试验。据全盟各试验点反映:效果均良好,特别海拉尔市奋斗公社各生产队效果更显著,如该公社胜利三队,去年20多亩大棚黄瓜平均亩产 Cucumbers are the main vegetables cultivated in plastic sheds of our Union. In recent years, due to severe downy mildew, the average yield of cucumbers in the entire alliance hovers below one kilogram. This situation threatens the steady development of cucumber production and causes a decrease in cultivated area year by year. In order to solve the problems in production and meet the needs of people in Chenglin Mining Area. Last year, I started a new pesticide rubella prevention and control test. According to the test points of the alliance, the effects are all good. In particular, the production teams in the struggle commune in Hailar County are more effective. For example, the commune triumphs the three teams. Last year, the average mu yield of 20 mu of greenhouse cucumbers