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虞城县三庄乡王庄村农民,采用敌敌畏熏蒸法防治小麦吸浆虫,取得了显著成果。一、敌敌畏熏蒸法的优点1.灭虫增产效果显著。在施药后3天,用捕虫网对18户农民的麦田抽样调查,10网成虫量,防治区为0.4头,对照区(末防治)为11.8头,减退率为96.4%。小麦灌浆期调查德部虫量,
Yuzhuang Sanzhuang Township Wangzhuang village farmers, the use of dichlorvos fumigation control Midi, and achieved remarkable results. First, the advantages of dichlorvos fumigation 1. Pest control effect of significant increase. Three days after the pesticide application, 18 farmer’s wheat fields were surveyed by using insect netting network. The population of 10 nematodes was 0.4 in the control area and 11.8 in the control area (the last prevention and control), the reduction rate was 96.4%. Wheat grain filling period investigation Germany Department of insects,