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在苹果优质、高产的各项管理工作中,果园病虫害的综合防治是一项非常重要的工作。一年中,必须抓住以下几个环节: 一、苹果树开花前后的防治:1.发芽前结合花前复剪,对冬剪时遗漏的病虫枝梢进行彻底剪除。对红蜘蛛、蚧壳虫、白粉病等发病严重的果园可于发芽前喷布波美3～5度石硫合剂、同时要认真检查刮治腐烂病,对发病较重的果园也可全园喷一次40％福美砷100倍液。2.显蕾前后是防治卷叶蛾、红蜘蛛、白粉病
Apple in the high-quality, high-yielding management work, the integrated control of pests and diseases in orchards is a very important task. One year, we must seize the following links: First, the prevention and treatment of apple trees before and after flowering: 1. Pre-germination combined with pre-scissors, the winter shears omission of pest shoots were completely cut off. Spider mite, scale insects, powdery mildew and other serious disease in the orchard can be sprayed before sprouting Baume 3 to 5 degrees stone sulfur mixture, and should carefully check cure rot disease, the incidence of heavier orchards also Park Spray 40% Fortum arsenic 100 times. 2. Before and after the significant bud prevention and control leaf roller moth, spider mite, powdery mildew