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April 4, 2026Scientific ReportsOpen Access

Population genetic diversity in the annual breeding area of the Spodoptera frugiperda in China

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Authors

JLJ. H. LinJZJ. ZhangYZY. Zou

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Overview

Analysis of genetic diversity and population structure of fall armyworm in China, indicating a significant genetic bottleneck effect.

Key Points

  • The research aims to analyze the genetic diversity and population structure of the fall armyworm in China to understand its invasion dynamics.
  • Analyzed genetic diversity using mitochondrial COI and nuclear Tpi genes.
  • Sampled populations from four provinces: Yunnan, Guangdong, Guangxi, and Hainan.
  • Conducted genetic differentiation analysis to infer barriers to gene flow.
  • Significant reduction in genetic diversity observed in Chinese populations compared to Indian populations.
  • 22.7% of individuals identified as heterozygous corn-strain based on Tpi genotyping.
  • Population differentiation highlighted significant barriers and gene flow patterns among regions.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/69d0aff2659487ece0fa61cdhttps://doi.org/10.1038/s41598-026-46482-1
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