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苹果绵蚜(Eriosoma Lanigerum Haus-mann)一年发生多代,年中春夏、秋两次发生为害高峰。秋季发生规律是:9月中旬开始增殖,10月出现全年第二次发生为害高峰。苹果采收后喷药防治,不仅控制秋季苹果绵蚜为害,还可大大压低越冬绵蚜基数,控制来年为害。 1994年受山东省农药研究所委托,对高密农药厂生产的40％蚜灭多乳油进行了田间小
Apple aphid (Eriosoma Lanigerum Haus-mann) occur many generations a year, mid-spring, summer and autumn peak incidence. Fall occurs in the law is: proliferation began in mid-September, the second occurrence in October occurred the peak of the year. Apple harvest spray control, not only to control autumn apple aphid harm, but also greatly reduce the base of winter overwinged cotton aphid, controlling the next year harmful. In 1994, commissioned by the Shandong Institute of Pesticide, 40% of the aphid off the oil produced by high-density pesticide plant field was small