黄河流域棉区棉铃虫对3种杀虫剂的抗药性监测
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“十三五”国家重点研发计划项目(2016YFD0200700);国家棉花产业技术体系岗位科学家经费项目(CARS-18-13)


Monitoring on resistance of Helicoverpa armigera (Hübner) to three insecticides in main cotton-growing areas of Yellow River Region
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    摘要:

    田间采集河南、河北、山东、山西4个地区8个棉铃虫种群,室内采用浸叶法监测不同地理种群棉铃虫对3种杀虫剂的抗性水平。结果显示:2016-2017年各监测点棉铃虫种群对辛硫磷处于中等水平抗性,抗性倍数分别为25.2~65.7倍和24.2~48.8倍,近几年棉铃虫对辛硫磷的抗性有上升的趋势;各监测点棉铃虫种群对三氟氯氰菊酯已产生中等至高水平抗性,各地区之间抗性水平和发展趋势有差异,其中沧县、阳谷和夏津种群抗性上升明显,抗性倍数由2016年的21.3、51.9和128.9倍上升为2017年的90.2、187.5和269.3倍,邱县和安阳种群抗性由高水平抗性转为中等水平抗性,抗性倍数由145.4和165.7倍降低为72.2和59.1倍;2016-2017年棉铃虫种群对甲维盐均表现为中等水平抗性,抗性倍数分别为16.2~92.8倍和10.6~89.8倍。监测结果表明,不同地区棉铃虫种群对3种药剂已经产生了不同程度的抗性,建议避免重复使用或限用同一种药剂,注意与不同作用机制的杀虫剂交替轮换使用,以延缓棉铃虫的抗药性上升。

    Abstract:

    The insecticide resistance level of Helicoverpa armigera (Hübner) to phoxim,cyhalothrin,and emamectin benzoate in the main cotton-growing areas of Yellow River Region were monitored in this study. Eight geographic populations of H. armigera were collected from Henan,Hebei,Shandong and Shanxi and tested by leaf dipping method to monitor the resistance level of H. armigera to three insecticides. The results showed that all populations of H. armigera from different monitoring area showed a middle level of resistance to phoxim,with the resistance index remained between 25.2-65.7 in 2016 and 24.2-48.8 in 2017,showing a rising trend in recent years. The resistance of H. armigera to cyhalothrin reached a middle to high level,and the resistance level and developing trend were discrepant among eight regions. The resistance level of Cangxian,Yanggu and Xiajin populations of H. armigera increased obviously,with resistance index increased from 21.3,51.9 and 128.9 in 2016 to 90.2,187.5 and 269.3 in 2017. The resistance of Qiuxian and Anyang populations of H. armigera shifted from a high level to middle level with the resistance index of 145.4 and 165.7 in 2016,and 72.2 and 59.1 in 2017. Eight populations of H. armigera showed a middle level of resistance to emamectin benzoate in 2016 and 2017,with the resistance index of 16.2-92.8 and 10.6-89.8,respectively. All the eight populations were found to have developed resistance to all three kinds of insecticides,excessive use of the same kind of insecticide therefore should be avoided or limited. In order to delay the development of insecticide resistance of H. armigera,different insecticides should be used in rotation. 

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胡红岩,任相亮,马小艳,姜伟丽,马亚杰,王 丹,马 艳.黄河流域棉区棉铃虫对3种杀虫剂的抗药性监测[J].华中农业大学学报,2018,37(04):65-69

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  • 收稿日期:2017-12-27
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  • 在线发布日期: 2018-07-09
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