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当前位置: 首页 > 文章 > 5种杀虫剂对德国小蠊的半数致死浓度及其在饵剂中的应用 农药 2016 (8) 613-615
Position: Home > Articles > Application Research of the Median Lethal Concentration of 5 Insecticides in the Bait against Blattella germanica Agrochemicals 2016 (8) 613-615

5种杀虫剂对德国小蠊的半数致死浓度及其在饵剂中的应用

作  者：
吴华;黄鸿;欧剑峰;李志刚
单  位：
广东省生物资源应用研究所广东省农业害虫综合治理重点实验室广东省野生动物保护与利用公共实验室
关键词：
半数致死浓度(LC50);德国小蠊;饵剂
摘  要：
[目的]测定5种杀虫剂对德国小蠊的半数致死浓度(LC_(50))及以LC_(50)值为基础浓度在饵剂中的应用效果。[方法]采用点滴法测定药剂的LC_(50)值、参照GB/T 13917.7—2009进行室内药效测定及现场药效试验采用粘捕法进行密度测定。[结果]氟虫腈、毒死蜱、残杀威、氟虫胺和吡虫啉对德国小蠊的LC_(50)值分别为71.82、806.78、1361.52、7087.67、7874.56 mg/L。以LC_(50)值为基础浓度制定的0.01%氟虫腈饵剂、0.1%毒死蜱饵剂、0.2%残杀威饵剂、1%氟虫胺饵剂和1%吡虫啉饵剂对德国小蠊的室内药效试验结果显示,8 d内死亡率均大于94.44%。现场防治试验结果显示,第30天的密度下降率分别为100.00%、95.13%、98.67%、100.00%和100.00%。[结论]以5种杀虫剂LC_(50)值为基础浓度配制的饵剂对德国小蠊具有很好的室内药效和现场防治效果,LC_(50)是制定德国小蠊饵剂的基础浓度。
译  名：
Application Research of the Median Lethal Concentration of 5 Insecticides in the Bait against Blattella germanica
作  者：
WU Hua;HUANG Hong;OU Jian-feng;LI Zhi-gang;Guangdong Institute of Applied Biological Resources, Guangdong Key Laboratory of Integrated Pest Management in Agriculture,Guangdong Public Laboratory of Wild Animal Conservation and Utilization;
关键词：
the median lethal concentration(LC50);;Blattella germanica;;bait
摘  要：
[Aims] The aim of this study was to determine the median lethal concentration(LC_(50)) of 5 insecticides on adults of Blattella germanica and to test baits efficacy in LC_(50) in laboratory bioassay and field trials. [Methods] LC_(50) were determined by topical application methods. Methods of laboratory bioassay were based on GB/T 13917.7—2009.Field tests were made at 5 sites to evaluate the effects of the baits application by sticky trap catches. [Results] The LC_(50) of fipronil, chlorphrifos, propoxur, sulfluramid and imidacloprid against B. germanica were 71.82, 806.78, 1361.52,7087.67 and 7874.56 mg/L respectively. The mortality of B. germanica were higher than 94.44% after 8 days after treatment with each type of baits in 0.01% fipronil, 0.1% chlorphrifos, 0.2% propoxur, 1% sulfluramid and 1%imidacloprid. The density reduction were 100.00, 95.13, 98.67, 100.00 and 100.00% respectively after 30 days in the field control. [Conclusions] The baits application in LC_(50) of 5 insecticides had remarkable efficacy against B.germanica both in laboratory and field. The LC_(50) could be the basal concentration of the bait formulation against B.germanica.

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