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High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.

Pesticide biochemistry and physiology - 1 Aug 2022

Teng Haiyuan, Zuo Yayun, Yuan Jing, Fabrick Jeffrey A, Wu Yidong, Yang Yihua

Abstract excerpt

The beet armyworm, Spodoptera exigua is a global agricultural pest that is polyphagous, highly dispersive, and often difficult to control due to resistance to many insecticides. Previous studies showed that a target site mutation in the S. exigua ryanodine receptor (SeRyR) corresponding to I4743M contributes approximately 20-fold resistance to chlorantraniliprole, whereas a mutation in the cytochrome P450 enzyme...

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PMID: 35973775
DOI: 10.1016/j.pestbp.2022.105153

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