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. 2012 Sep 5;7(9):e44510. doi: 10.1371/journal.pone.0044510

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© 2012 Chen et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The vertical coordinate of each subgroup indicates the membership coefficients for each individual, and the digits on the horizontal coordinate represent the accessions corresponding to Table S1. Red zone: SG 1; Green zone: SG 2; Blue zone: SG 3. The colored spots represent the geographic eco-type information of accessions. Red spot: cultivars from northern winter wheat region; Green spot: cultivars from Huang-huai winter wheat region; Blue spot: landraces and introduced germplasm; Purple spot: cultivars from Southwestern winter wheat region; Black spot: cultivars from Yangtze River winter wheat region.