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. 2016 Apr 18;16:89. doi: 10.1186/s12870-016-0776-6

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© Jiang 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. 3 — Genetic clustering of all individuals of P. nigra, P. laurifolia and P. × jrtyschensis. a Principal Component Analysis (PCA), b NeighborNet (NNet), and c Population cluster analysis using STRUCTURE (K = 2 and 3) based on nuclear gene dataset; d Principal Component Analysis (PCA), e NeighborNet (NNet), and f Population cluster analysis using STRUCTURE (K = 2 to 3) based on SSR datasets