10种杀虫剂对甘薯蚁象的毒力测定  

Evaluation on the Toxicity of Ten Insecticides to Sweetpotato Weevil(Cylas formicarius)

作　　者：王容燕[1] 马广源[1] 高波[1] 李秀花[1] 马娟[1] 陈书龙[1] 

机构地区：[1]河北省农林科学院植物保护研究所,河北省农业有害生物综合防治工程技术研究中心,农业部华北北部作物有害生物综合治理重点实验室,河北保定071000

出　　处：《农药》2015年第10期773-776,共4页Agrochemicals

基　　金：国家甘薯产业技术体系(CARS-11-B-08)

摘　　要：[目的]筛选对甘薯蚁象的高效药剂。[方法]采用浸虫、浸薯法,测试10种杀虫剂的毒力,并在盆栽试验中测定各药剂的杀虫效果和持效期。[结果]以高效氯氟氰菊酯、甲氨基阿维菌素苯甲酸盐、阿维菌素的触杀毒力最高;以甲氨基阿维菌素苯甲酸盐、辛硫磷、毒死蜱的胃毒毒力最高。盆栽试验施药后2 d,辛硫磷、毒死蜱、高效氯氟氰菊酯、高效氯氰菊酯、吡虫啉和高浓度甲氨基阿维菌素苯甲酸盐对植株的保护作用达到100%;施药后20 d,吡虫啉和高效氯氟氰菊酯各处理的防治持效期最长。[结论]辛硫磷、毒死蜱、高效氯氟氰菊酯、高效氯氰菊酯、甲氨基阿维菌素苯甲酸盐和吡虫啉对植株具有较好保护效果,吡虫啉和高效氯氟氰菊酯对植株保护作用的持效期最长。[Aims] The aim of this study was to screen out efficient pesticides against the sweetpotato weevil （Cylas formicarius）. [Methods] The toxicity of ten insecticides were evaluated by adult-dipping and root-dipping methods, the control efficacy of different insecticide and its persistence were tested on potted plant. [Results] The results showed that lambda-cyhalothrin, emamectin benzoate and abamectin had the highest contact toxicities, and emamectin benzoate, phoxim and chlorpyfifos showed the strongest oral toxicities. Phoxim, chlorpyrifos, lambda-cyhalothrin, beta-cypermethrin, imidacloprid and the high concentration treatment of emamectin benzoate showed 100% protective effect to plant 2 days after treatment. All the treatments of imidacloprid and lambda-cyhalothrin had higher control efficacy than other treatments after 20 days. [Conclusions] Phoxim, chlorpyrifos, lambda-cyhalothrin, beta-cypermethrin, emamectin benzoate and imidacloprid had higher protection efficacy to sweetpotato than other insecticides tested, imidacloprid and lambda-cyhalothrin had the longest persistant efficacy.

关 键 词：甘薯蚁象 杀虫剂 毒力 持效期 

分 类 号：S435.315.1[农业科学—农业昆虫与害虫防治]