【摘要】 枣尺蠖(Sucra jujuba Chu)是枣树上的一种主要害虫。近年来,枣尺蠖在苹果树上危害,也日趋严重。生产上普遍采用六六六、滴滴涕、对硫磷进行防治,由于长期使用,产生了明显抗性,防治效果显著降低。1980～1982年我们喷布菊酯农药进行室内外试验及田间示范防治,证明用2.5%溴氰菊酯或20%杀灭菊酯3万倍液防治枣尺蠖,效果高,成本低,省劳力,使用方便安全。防治效果和经济效益明显地优于六六六、滴滴涕、对硫磷。1982年在河南省中牟、新郑、民权县及郑州市郊区枣和苹果上开展大面积生产防治,面积达9万余亩,防治181万株,收效显著,平均防治效果达95%左右。更多还原

【Abstract】 The date looper is a very serious pest of the date and apple trees in Henan province of China.It is resistant to BHC,DDT and parathion and these pesticides are no longer as effective as before.In 1980～1982 it wasdiscovered that decamethrin and fanvalerate are very toxic against this pest.Results of a series of experiments indicated that decamethrin at a concentration of 0.8 ppm or fanvalerate 6.6 ppm were very effective in killing the larve of the various instar of the date looper.At the beginning of May 1982,a large-scale spray application aboutninty thousands mu was carried out in Zhongmou,Xinzheng and Mingquan county of Henna province and the suburbs of Zhengchou and made very effective results(average mortality about 95%)。更多还原