50%硫悬浮剂是中国农科院植物保护研究所研制的,由河北省辛集市化工三厂批量生产的无机杀螨杀菌剂,主要防治对象是红蜘蛛和白粉病,使用作物有棉花、小麦、花生、黄瓜、哈密瓜、疏菜、葡萄及花卉等二十几种。为了扩大应用范围对果树上的山楂红蜘蛛进行了防治试验,现将试验结果报告如下。 50% sulfur SC is developed by Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Xinji City, Hebei Province, three chemical plant mass production of inorganic fungicides, the main control targets are spider mites and powdery mildew, the use of crops such as cotton, wheat , Peanuts, cucumbers, cantaloupes, vegetables, grapes and flowers, such as more than 20 kinds. In order to expand the scope of application of fruit trees on the Hawthorn spider mite prevention and control test, the test results are reported below.