华南地区瓜实蝇田间种群的抗药性监测

谷世伟; 曾玲; 梁广文

doi:10.7671/j.issn.1001-411X.2015.04.014

华南地区瓜实蝇田间种群的抗药性监测

Monitoring for insecticide resistance of melon fly populations in the field of Southern China

摘要

摘要:
目的明确华南地区瓜实蝇Bactrocera cucurbitae对常用杀虫剂的抗药性，为我国瓜实蝇的防治提供科学依据.
方法于2013年6—10月采集了广州、湛江、茂名、清远、南宁、长沙、无锡等地瓜实蝇田间种群，并用药膜法监测了其对敌百虫、氯氟氰菊酯、高效氯氰菊酯、甲氨基阿维菌素苯甲酸盐、阿维菌素、多杀霉素的抗性.
结果和结论 所监测地区中，广州和无锡种群对敌百虫抗性倍数为2.03和2.14，湛江种群对甲氨基阿维菌素苯甲酸盐抗性倍数为2.69，仍处于敏感水平，其余地区种群对6种药剂均达到了低水平或中等水平抗性.

Abstract:
Objective To identify the insecticide resistance of melon fly, Bactrocera cucurbitae, to the commonly used pesticides, and to provide a scientific basis for prevention and resistance management of melon fly populations.
Method The melon fly populations were collected from Guangzhou, Zhanjiang, Maoming, Qingyuan, Nanning, Changsha, Wuxi from June to October in 2013. The insecticide resistances of melon fly to six different types of pesticides (trichlorphon, cyhalothrin, cypermethrin, emamectin benzoate, abamectin, spinosad) were tested with residual film method.
Result and conclusion The insecticide resistance ratios of melon fly population from Guangzhou and Wuxi to trichlorphon were 2.03 and 2.14 respectively. The resistance ratio of population from Zhanjiang to emamectin benzoate was 2.69. The above resistance ratios indicate that these populations are still susceptible. The populations collected from other areas show low-level or intermediate-level resistance to those six types of insecticides.

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