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12种杀虫剂对烟草甲的室内防治效果
唐兴贵,班国相,罗倩茜,姚峰,江彤,李章海,黄衍章
0
(贵州省黔南州烟草公司,都匀 558000;安徽农业大学植物保护学院,合肥 230036;中国科学技术大学烟草与健康研究中心,合肥 230051)
摘要:
烟草甲是烟叶储藏期的一种重要害虫,危害大且难于防治。采用微量喷雾法研究12种杀虫剂对烟草甲成虫和幼虫的室内防治效果。结果表明,12种杀虫剂以高效氯氟氰菊酯的综合防治效果最好,溴氰菊酯次之。高效氯氟氰菊酯以10 mg·kg-1浓度处理饲喂试虫,4 d后成虫的校正死亡率为85.7%,6 d后幼虫的校正死亡率为80.2%,对3龄幼虫的种群抑制率为85.1%。滤纸载药触杀试验结果表明,高效氯氟氰菊酯以0.65 μg·cm-2处理烟草甲成虫,3 d后试虫的校正死亡率为87.8%,显著高于溴氰菊酯。高效氯氟氰菊酯可作为一种较好的储烟防护剂用于防治烟草甲。
关键词:  烟草甲  高效氯氟氰菊酯  防治效果
DOI:10.13610/j.cnki.1672-352x.20150302.021
基金项目:贵州省黔南州科技项目, 黔南科技发(2013)34号和黔南科技发(2011)30号共同资助。
Control effects of twelve insecticides against Lasioderma serricorne (Fabricius) indoors
TANG Xinggui,BAN Guoxiang,LUO Qianqian,YAO Feng,JIANG Tong,LI Zhanghai,HUANG Yanzhang
(Qiannan Tobacco Company, Duyun 558000;School of Plant Protection, Anhui Agricultural University, Hefei 230036;Research Centre of Tobacco and Health, University of Science and Technology of China, Hefei 230051)
Abstract:
Tobacco beetle is a key pest of stored tobacco. It causes great damage to the stored tobacco and is difficult to control at present. The control effects of twelve insecticides against Lasioderma serricorne (Fabricius) were studied under laboratory conditions using the direct micro-spray and the pesticide-film filter method. The results showed that cyhalothrin performed the best integrated control effect on L. serricorne, followed by deltamethrin in all twelve insecticides. After fed with cyhalothrin at 10 mg·kg-1, the corrected mortality to adult pest was 85.7% after 4 days, the corrected mortality to larvae was 80.2% after 6 days, and the population inhibition rate to third instar larvae was 85.1% in the end. The result of the pesticide-film filter showed that the corrected mortality of adults was 87.8% after treated with cyhalothrin at 0.65 μg·cm-2 for 3 days, which was significantly higher than that of deltamethrin. Cyhalothrin showed a promising result as an effective insecticide for the control of tobacco beetles.
Key words:  Lasioderma serricorne (Fabricius)  cyhalothrin  control effect

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