防治水稻白背飞虱高毒农药替代药剂的室内筛选及对吡虫啉的抗性风险评估

中国水稻科学

防治水稻白背飞虱高毒农药替代药剂的室内筛选及对吡虫啉的抗性风险评估

李淑勇^1,#, 刘学^2,# ,高聪芬¹ ,薄仙萍¹, 苏建亚¹ , 王彦华¹,余论¹ , 严鑫¹,沈晋良^1，*, 杨峻² .陶岭梅²

¹南京农业大学植物保护学院农药科学系/农业部病虫监测与治理重点开放实验室, 江苏南京 210095; ²农业部农药检定所, 北京 100026；^#共同第一作者; *通讯联系人， E-mail: jlshen@njau.edu.cn

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-01-10 发布日期:2009-01-10

Laboratory Screening of Alternatives to HighlyToxic Insecticides for Controlling the WhiteBacked Planthopper, Sogatella furcifera and Resistance Risk Assessment to Imidacloprid
in Rice

LI Shuyong^1,#, LIU Xue ^2,#, GAO Congfen¹, BO Xianping¹, SU Jianya¹, WANG Yanhua¹, YU Lun¹, YAN Xin1, SHEN Jinliang^1,*, YANG Jun2, TAO Lingmei²

¹ Department of Pesticide Science, College of Plant Protection/Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China; ²Institute for the Control of Agrochemicals, Ministry of Agriculture, Beijing 100026, China; ^#These authors contributed equally to this paper; *Corresponding author, E-mail: jlshen@ njau.edu.cn

Received:1900-01-01 Revised:1900-01-01 Online:2009-01-10 Published:2009-01-10

摘要/Abstract

摘要： 为筛选高毒农药的替代药剂，采用稻茎浸渍法测定了7类共21种杀虫剂对2006年和2007年采自南京市江浦地区的白背飞虱种群3龄若虫的毒力。结果表明,噻虫嗪、吡虫啉、噻嗪酮对白背飞虱3龄若虫的毒力最高(LC50=004~026 mg/L)；烯啶虫胺、丁烯氟虫腈、吡蚜酮、啶虫咪、氯噻啉、毒死蜱、氟虫腈等也有较高的毒力(LC50＜4.50 mg/L）；异丙威、敌敌畏虽然触杀毒力稍低(LC50＞19.85 mg/L)，但两者在生产上仍广泛应用，所以把以上12种药剂作为田间药效试验的推荐品种；同时还比较了该地区白背飞虱种群对供试药剂敏感性的年度间差异，其中对毒死蜱、异丙威、丁硫克百威、速灭威这4种药剂的敏感性下降了66.7%~71.4%。对2006年南京江浦种群用吡虫啉连续筛选15代的结果表明，1~15代抗性上升433倍，抗性现实遗传力为0.2295，存在抗性风险。另外，还讨论了白背飞虱的综合防治。

关键词: 白背飞虱, 高毒农药, 替代药剂, 毒力, 吡虫啉, 抗性风险评估

Abstract: To screen alternative insecticides for controlling the whitebacked planthopper, Sogatella furcifera (Horváth), toxicities of 21 insecticides fallen into seven categories against the third instar nymphs of Sogatella furcifera, which were collected from Jiangpu District, Nanjing, China were evaluated by the rice stem dipping method in 2006 and 2007. The results indicated that thiamethoxam, buprofezin and imidacloprid had the highest toxicities (LC50=0.04-0.26 mg/L); nitenpyram, butylenefipronil, pymetrozine, acetamiprid, imidaclothiz, chlorpyrifos and fipronil showed good efficacy (LC50＜4.50 mg/L), suggesting that the above insecticides were potential alternatives to highlytoxic insecticides for field trials. Although isoprocarb and dichlorvos showed less efficacy (LC50＞19.85 mg/L), these two insecticides were also recommended as the alternatives because they are being applied widely in practice. According to the yeartoyear variation in susceptibility of Sogatella furcifera to the insecticides between 2006 and 2007， it was noted that the susceptibilities to chlorpyrifos, isoprocarb, carbosulfan, metolcarb were significantly reduced, with the reducing rate of 2.0 to 2.5fold. With continuous selection with imidacloprid for 15 generations, the LC50 of the population collected from Jiangpu in 2006 increased by 4.33fold and its realized heritability (h2) was 0.2295. In addition, integrated management strategies for the whitebacked planthopper were also proposed.

Key words: whitebacked planthopper, highlytoxic insecticides, alternative insecticides, toxicity, imidacloprid, resistance risk assessment

李淑勇, 刘学,高聪芬 ,薄仙萍, 苏建亚 , 王彦华,余论 , 严鑫,沈晋良杨峻 .陶岭梅. 防治水稻白背飞虱高毒农药替代药剂的室内筛选及对吡虫啉的抗性风险评估[J]. 中国水稻科学 2009,23(1): 79-79～84 . .

LI Shuyong,#,LIU Xue ,#,GAO Congfen,BO Xianping,SU Jianya,WANG Yanhua,YU Lun,YAN Xin,SHEN Jinliang,YANG Jun,TAO Lingmei . Laboratory Screening of Alternatives to HighlyToxic Insecticides for Controlling the WhiteBacked Planthopper, Sogatella furcifera and Resistance Risk Assessment to Imidacloprid
in Rice[J]. Chinese Journal of Rice Science 2009,23(1): 79-79～84 ..

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