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. 2016 Mar 15;17:53. doi: 10.1186/s12863-016-0361-x

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© Xu et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Population structure of 471 indica rice based on 5060 SNPs. a PCA of indica rice. Local, introduced, and improved varieties are colored blue, red, and green in a-b. b Neighbor-joining tree of indica rice constructed from a simple matching distance. c Mean LnP(D) values plotted as the number of subpopulations. d ΔK values plotted as the number of subpopulations. e Subpopulations (K = 2 and K = 3) inferred using STRUCTURE