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Migration trajectories of the diamondback moth Plutella xylostella in China inferred from population genomic variation
Pest Management Science ( IF 4.1 ) Pub Date : 2020-11-17 , DOI: 10.1002/ps.6188
Ming‐Zhu Chen 1, 2 , Li‐Jun Cao 1 , Bing‐Yan Li 1, 2 , Jin‐Cui Chen 1 , Ya‐Jun Gong 1 , Qiong Yang 3 , Thomas L Schmidt 3 , Lei Yue 1 , Jia‐Ying Zhu 4 , Hu Li 2 , Xue‐Xin Chen 5 , Ary Anthony Hoffmann 3 , Shu‐Jun Wei 1
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The diamondback moth (DBM), Plutella xylostella (Lepidoptera: Plutellidae), is a notorious pest of cruciferous plants. In temperate areas, annual populations of DBM originate from adult migrants. However, the source populations and migration trajectories of immigrants remain unclear. Here, we investigated migration trajectories of DBM in China using genome‐wide single nucleotide polymorphisms (SNPs) genotyped using double‐digest RAD (ddRAD) sequencing. We first analyzed patterns of spatial and temporal genetic structure among southern source and northern recipient populations, then inferred migration trajectories into northern regions using discriminant analysis of principal components (DAPC), assignment tests, and spatial kinship patterns.
更新日期:2020-11-17
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