防治秋枫灰同缘小叶蝉的药剂筛选

摘要

指出了灰同缘小叶蝉是秋枫的重要害虫，利用8种农药室内药效试验显示：30％氯胺磷乳油3000倍液和20％叶蝉散乳油3000倍液对灰同缘小叶蝉成虫和若虫的杀虫效果均达100％，3％啶虫脒乳油、40％乐果乳油、4.5％高效氯氰菊酯乳油和10％吡虫啉可湿性粉剂1000倍液对老熟若虫的杀虫率分别为95.4％、90.8％、81.6％和74.6％；而1.8％阿维菌素乳油和0.5％甲维盐微乳剂3000倍液的杀虫效果较差。%Coloana cinerea Dworakowska is an important pest in Bischofia javanic .The results of eight lab -pesticides'efficacy tests have show n that the insecticidal efficacy of 3000 dilution of 30% Chloramine phos-phorus EC and 20% Isoprocarb EC to C .cinerea Dworakowska's nymph and imago reached 100% ;the killing rates of 1000 dilution of 3% Acetamiprid EC ,40% Dimethoate EC ,4 .5% Cyhalothrin EC ,and 10% Imida-cloprid WP to the nymphs were 95 .4% 、90 .8% 、81 .6% and 74 .6% respectively ;but 3000 dilution of 1 .8%Acermectins EC and 0 .5% Emamectin benzoate EC had poor insecticidal efficacy .