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Determination of insecticide resistance in Bemisia tabaci (Hemiptera: Aleyrodidae) populations from Punjab, Pakistan
International Journal of Tropical Insect Science ( IF 1.2 ) Pub Date : 2021-01-07 , DOI: 10.1007/s42690-020-00393-4
Muhammad Saleem , Mansoor ul Hasan , Muhammad Sagheer , Muhammad Atiq

The whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is one of the most important crop pest among the 100 worst invasive species which threatens agriculture worldwide and poses a serious threat to global food security. The control of B. tabaci depends on the insecticide applications in Pakistan, therefore, monitoring of insecticide resistance is essential for achieving control and for managing resistance. In current study, the field populations of B. tabaci from three crops (cotton, okra and tomato) were collected in five districts (Bahawalpur, Lodhran, Multan, Vehari and Faisalabad) of Punjab, Pakistan in 2017, 2018 and 2019. A leaf- dip bioassay was used to determine the resistance of these populations to five insecticides (Diafenthiuron, spirotetramat, deltamethrin, abamectin and nitenpyram). A very low to low level of resistance to nitenpyram, spirotetramat, and abamectin, whereas moderate to high level of resistance to diafenthiuron and deltamethrin were detected in all populations of B. tabaci compared with the laboratory susceptible strain. The resistance ratios ranged 16.37 to 26.07-fold for diafenthiuron, 52.76 to 73.85-fold for deltamethrin, 3.85 to 7.79-fold for nitenpyram, 3.62 to 13.75-fold for spirotetramat and 5.19 to 9.09-fold for abamectin. The presented results will be helpful to make decision on the proper usage of insecticides against whitefly control and to reduce the development of insecticide resistance.



中文翻译:

巴基斯坦旁遮普邦烟粉虱(半翅目:无翅目)种群中的杀虫剂抗性测定

白粉虱,烟粉虱(粉虱)(半翅目:粉虱科)是百个大入侵物种中最重要的农作物虫害威胁全球农业和对全球粮食安全的严重威胁之一。烟粉虱的控制取决于巴基斯坦的杀虫剂应用,因此,对杀虫剂抗药性的监测对于实现控制和管理抗药性至关重要。在当前的研究中,烟粉虱的田间种群在2017年,2018年和2019年从巴基斯坦旁遮普邦的五个地区(Bahawalpur,Lodhran,Multan,Vehari和Faisalabad)的三种农作物(棉,黄秋葵和番茄)中采集了这些农药。使用叶浸生物测定法确定了这些作物的抗性种群中有五种杀虫剂(Diafenthiuron,Spirotetramat,溴氰菊酯,阿维菌素和Nitenpyram)。在烟粉虱的所有人群中均检测到对乙胺吡喃,螺四氮和阿维菌素的抗药性很低或很低,而对苯乙硫仑和溴氰菊酯的抗药性则为中到高水平与实验室敏感菌株相比。地芬硫龙的抗药性比范围为16.37至26.07倍,溴氰菊酯为52.76至73.85倍,尼替吡兰为3.85至7.79倍,螺四氮灵为3.62至13.75倍,阿巴菌素为5.19至9.09倍。提出的结果将有助于就杀虫剂的合理使用做出决策,并减少对杀虫剂的抗药性。

更新日期:2021-01-07
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