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. 2022 Feb 19;9:uhac021. doi: 10.1093/hr/uhac021

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© The Author(s) 2022. Published by Oxford University Press on behalf of Nanjing Agricultural University

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Population structure and admixture analysis of Dimocarpus longan. (A) A neighbor-joining phylogenetic tree of all D. longan individuals was constructed using SNPs. The artificial breeding individual was marked with red dots inside. Colors represent different geographic groups. (B) A biogeographical ancestry (admixture) analysis of D. longan accessions with four ancestral clusters colored differently in the heatmap, in which each column represents a longan sample. (C) Distribution of Fst values (a measure of genetic differentiation) between longan populations from Thailand (Thai), Fujian (FJ), and Guangdong (GD). (D) Maximum-likelihood tree and migration events among seven groups of D. longan. The migration events are colored according to their weight.