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. 2015 Sep 3;16(1):671. doi: 10.1186/s12864-015-1872-y

Fig. 2.

Fig. 2

Population structures of soybean landraces and improved lines. a PCA plots of the first two components of 342 accessions of soybean landraces. b NJ tree of soybean landraces. The 6 subgroups identified from the tree are color-coded in a and b. c PCA plots of the first two components of 1062 accessions of improved lines. d NJ tree of improved lines. The 8 subgroups identified from the NJ tree are color-coded in c and d