Characterisation of abamectin resistance in a field-evolved multiresistant population of Plutella xylostella

Pest Management Science
Xin PuYidong Wu

Abstract

Plutella xylostella (L.) has evolved resistance to various kinds of insecticide in the field. Reversion and selection, cross-resistance, inheritance and mechanisms of abamectin resistance were characterised in a field-derived multiresistant population of P. xylostella from China. Compared with a susceptible Roth strain, the field-derived TH population showed approximately 5000-fold resistance to abamectin. Rapid reversion of abamectin resistance was observed in the TH population when kept without insecticide selection. The TH-Abm strain, selected from the TH population with abamectin, developed 23 670-fold resistance to abamectin, a high level of cross-resistance to emamectin benzoate and low levels of cross-resistance to spinosad and fipronil. Genetic analyses indicated that abamectin resistance in the TH-Abm strain was autosomal, incompletely dominant and polygenic. P450 monooxygenase activities in the TH-Abm strain were significantly elevated compared with the TH strain. Piperonyl butoxide (PBO) inhibited a small part of abamectin resistance in the TH-Abm strain. Field-evolved high-level resistance to abamectin in the TH population was not stable. Selection of the TH population with abamectin resulted in an extremely high le...Continue Reading

References

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Citations

Apr 15, 2014·Journal of Medical Entomology·Tianyun Su, Min-Lee Cheng
Jul 6, 2011·Trends in Parasitology·Brian D FoyMassamba Sylla
Jul 8, 2015·Frontiers in Plant Science·Myriam SiegwartMiguel Lopez-Ferber
Jun 22, 2016·Journal of Agricultural and Food Chemistry·Junheon KimChung Gyoo Park
Jan 28, 2014·Pest Management Science·Ran Wang, Yidong Wu
Oct 16, 2019·Archives of Insect Biochemistry and Physiology·Fang-Hua LiuTong-Xian Liu
Feb 16, 2019·Scientific Reports·Satish Kumar RajasekharanJintae Lee
Oct 2, 2012·Annual Review of Entomology·Michael J FurlongLloyd M Dosdall
Apr 23, 2011·Journal of Economic Entomology·Xuesong ZhengJianya Su
Jul 21, 2012·Journal of Economic Entomology·Xingliang Wang, Yidong Wu

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