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蚜虫是大白菜的主要害虫之一。防治蚜虫药剂有666(粉剂与可湿性粉剂)、敌百虫、鱼藤精;近年来高效低毒的有机杀虫剂——马拉松、乐果已大量在生产上应用,认为效果很好。另外,从新农药敌敌畏的试制应用的一些报道中,也看出治蚜效果很好。本地在防治菜蚜上,农民一般喜欢用666粉喷撒,既快又省工。但是,目前有
Aphids are one of the major pests of Chinese cabbage. Prevention and control of aphids agents are 666 (powder and wettable powder), trichlorfon, rotenone; in recent years, high efficiency and low toxicity of organic pesticides - marathon, dimethoate has been a large number of production applications, that the effect is very good. In addition, some reports from trial application of new pesticide dichlorvos have also shown that the treatment of aphids is very effective. Local control in the aphids, farmers generally like to use 666 powder spray, fast and labor-saving. But at the moment there is