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Absence of known knockdown resistance mutations but fixation of CYP337B3 was detected in field populations of Helicoverpa armigera across China.

Pesticide biochemistry and physiology - 1 Sept 2023

Ni Ruoyao, Wang Yawei, Zhong Qiuzan, Li Mei, Zhang Dandan, Zhang Yongjun, Qiu Xinghui

Abstract excerpt

The cotton bollworm (Helicoverpa armigera) is a worldwide agricultural pest that infests many important crops. Pyrethroids targeting the voltage-gated sodium channel (VGSC) have been long used in the control of the cotton bollworm. Two amino acid substitutions (D1561V and E1565G) in H. armigera VGSC (HaVGSC) and the presence of a chimeric P450 gene (CYP337B3) have been documented to be associated with pyrethroid...

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PMID: 37666613
DOI: 10.1016/j.pestbp.2023.105542

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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