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苹果褐斑病是造成苹果早期落叶的主要病害之一。果树受害后造成早期落叶,削弱树势,常引起二次发芽开花,果实不能正常发育,甚至引起早期落果,给果业生产造成严重的损失。目前市场上防治苹果褐斑病的农药种类繁杂,防治效果良莠不齐,给果农用药带来了一定困难。为了筛选出适宜陕西省宝鸡市陈仓区苹果褐斑病最佳防治药剂,选择了五种药剂进行对比试验,供广大果农参考。1试验材料和方法1.1供试药剂处理1∶80%大生M-45可湿性粉剂,施用浓度600
Apple brown spot is one of the main diseases that cause apple early deciduous leaves. Fruit trees cause early decay after victimization, weakening the tree vigor, often causing secondary germination and flowering, fruit can not be normal development, and even lead to early fruit drop, causing serious losses to the fruit industry. At present, the variety of pesticides for preventing and curing apple leaf spot on the market is mixed, and the prevention and control effects are mixed, which brings certain difficulties to the farmers. In order to screen out the best apple leaf spot prevention and control agent in Chencang District, Baoji City, Shaanxi Province, five kinds of medicaments were selected for comparison test for the reference of the majority of farmers. 1 Test Materials and Methods 1.1 Test agents to deal with 1:80% Dai M-45 wettable powder, the application concentration of 600