Toxicity Determination of Several Insecticides and Their Mixtures to Bactrocera(Zeugodacus)cucurbitae(Coquillett)
LIU Kui,FU Bu-li,QIU Hai-yan,FU Yue-guan
Hainan Key Laboratory for Monitoring and Control of Tropical Agriculture Pests,Environment and Plant Protection Institute,Chinese Academy of Tropical Agriculture,Danzhou 571737,Hainan,China
Abstract:Four insecticides toxicities to adult of Bactrocera(Zeugodacus)cucurbitae(Coquillett)and their co-efficient ratio were determined by micro drop method.The results showed that LD50 of 80 % dichlorvos EC was minimum for 1.683 9 μg?g-1 and alpha-cypermethrin EC was the largest for 8.877 0 μg?g-1.The toxicity order was 80 % dichlorvos EC>5 % emamectin-benzoate ME>480 g?L-1 chlorpyrifos EC>100 g?L-1 alpha-cypermethrin EC.The co-efficient ratio of the mixture of dichlorvos and emamectin-benzoate(1∶1)was 426.
刘奎,付步礼,邱海燕,符悦冠. 几种杀虫剂及其混配对瓜实蝇成虫的毒力测定[J]. 中国蔬菜, 2011, 1(14): 74-76.
LIU Kui,FU Bu-li,QIU Hai-yan,FU Yue-guan. Toxicity Determination of Several Insecticides and Their Mixtures to Bactrocera(Zeugodacus)cucurbitae(Coquillett). , 2011, 1(14): 74-76.