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

J R Lin, J Zhang, Y Zou, Z W Wu

Abstract read

In one paragraph

Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it

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0citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

4 authors.

J R LinCollege of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, Guangdong, China.

J ZhangCollege of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, Guangdong, China.

Y ZouCollege of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, Guangdong, China.

Z W WuCollege of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, Guangdong, China. zhengwei_wu@gdou.edu.cn.

Funding

esearch Fund of Guangdong Ocean University 080503052203Zhanjiang Rural Science and Technology Special Envoy Team A21413

6 · The paper itself

Abstract

The fall armyworm (Spodoptera frugiperda), a globally invasive pest, has established persistent populations in China since its invasion in late 2018, posing a continuous threat to agriculture due to its potential for rapid adaptation and insecticide resistance evolution. To elucidate the genetic underpinnings of its invasion success in China's annual breeding area, this study systematically analyzed the genetic diversity, differentiation, and population structure of fall armyworm (FAW) populations across four provinces (Yunnan, Guangdong, Guangxi, and Hainan) using a dual-marker system combining mitochondrial COI and nuclear Tpi genes. Our analyses revealed significantly reduced genetic diversity (haplotype diversity: 0.47-0.56; nucleotide diversity: 0.007-0.009) in Chinese populations compared to putative source populations in India (0.942 and 0.014, respectively), indicating a strong genetic bottleneck effect. All individuals were identified as the corn-strain, with 22.7% classified as heterozygous corn-strain based on Tpi genotyping. Population differentiation analysis highlighted the Himalayas as a substantial barrier (F

Indexed as

Genetic VariationSpodopteraAnimalsBreedingChinaGenetics, PopulationHaplotypesPhylogenyFall armyworm (FAW)Genetic differentiationGenetic diversityHaplotypeInvasion biology

Identifiers

PMID41927645

DOI10.1038/s41598-026-46482-1

PMCPMC13194687

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.