贵州稻区褐飞虱种群对六种杀虫剂的抗性动态  

Dynamic changes of resistance to conventional insecticides in the brown planthopper,Nilaparvata lugens( Hemiptera: Delphacidae) in the main rice growing regions in Guizhou Province,southwestern China

作　　者：李荣玉[1,2,3] 李明[1,2] 吴小毛[1,2,3] 胡安龙[1,2,3] 杨帆[1] 徐雪凌 韩晶波[1] 胡贤锋 尹显慧[1,2,3] LI Rong-Yu LI Ming WU Xiao-Mao HAN Jing-Bo HU Xian-Feng YIN Xian-Hau(Institute of Crop Protection, Guizhou University, Guiyang 550025, China Provincial Key Laboratory for Agricultural Pest Management in Mountainous Region, Guiyang 550025, China College of Agriculture, Guizhou University, Guiyang 550025, China)

机构地区：[1]贵州大学作物保护研究所,贵阳550025 [2]贵州省山地农业病虫害重点实验室,贵阳550025 [3]贵州大学农学院,贵阳550025

出　　处：《昆虫学报》2016年第11期1232-1237,共6页Acta Entomologica Sinica

基　　金：国家自然科学基金项目(31460480;21267007);国家公益性行业(农业)科研专项(201203038;201503107);国家重点研发计划项目(2016YFD0200501;2016YFD0200503);贵州省科技支撑计划项目(黔科合支撑[2016]2534号);贵州大学引进人才科研项目(贵大人基合字(2008)030号;贵大人基合字(2015)07号)

摘　　要：【目的】为明确贵州褐飞虱Nilaparvata lugens种群对常用杀虫剂的抗性水平。【方法】在室内采用浸渍法测定了2013-2015年采自贵州黄平、桐梓和开阳3地的褐飞虱种群对6种杀虫剂（吡虫啉、噻虫嗪、异丙威、噻虫胺、啶虫脒和醚菊酯）的抗性。【结果】贵州褐飞虱种群对不同的杀虫剂存在着抗性差异。与敏感品系相比,2013-2015年间3地田间褐飞虱种群对吡虫啉、噻虫嗪、异丙威、噻虫胺的抗性均达到中等水平抗性,抗性倍数（resistance ratio,RR）分别为21.88-95.38,10.91-69.36,13.00-57.23和23.11-39.54倍;而对啶虫脒和醚菊酯仍处于敏感阶段,RR分别为0.47-0.75和0.41-0.85倍。【结论】褐飞虱对吡虫啉和噻虫嗪的抗性较高,可能与近年来广泛地大量使用有关。本研究的抗性动态监测结果对贵州稻区褐飞虱的杀虫剂种类调整及施药策略等具有重要指导作用。【Aim】The objective of this research is to assess the resistance of the brown planthopper,Nilaparvata lugens（ Stl） to conventional insecticides in Guizhou,southwestern China. 【Methods】The resistance to six insecticides（ imidacloprid,thiamethoxam,isoprocorb,clothianidin,acetamiprid and ethofenprox） in field populations of N. lugens collected from three rice growing regions（ Huangping,Tongzi,and Kaiyang） in Guizhou Province during 2013-2015 was assayed by rice dipping method.【Results】Substantial variations of the resistance level to different insecticides existed in N. lugens populations from Guizhou. Compared with the susceptible population of N. lugens,the three field populations have developed moderate-level resistance to imidacloprid,thiamethoxam,isoprocorb and clothianidin during 2013-2015,with the resistance ratios of 21. 88-95. 38,10. 91-69. 36,13. 00-57. 23 and 23. 11-39. 54-fold,respectively,while these field populations were still sensitive to acetamiprid and ethofenprox,with the resistance ratios of 0. 47-0. 75-fold and 0. 41-0. 85-fold,respectively. 【Conclusion】The results suggest that the resistance of N. lugens in Guizhou to imidacloprid and thiamethoxam might increase quickly with the wide use of these insecticides in the main rice planting areas. The results provide important guidance for the adjustment of insecticide types and application strategies against the brown planthopper in Guizhou.

关 键 词：褐飞虱 杀虫剂 敏感性 抗药性 稻区 贵州 

分 类 号：Q965.9[生物学—昆虫学]