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. 2019 Feb 21;10:139. doi: 10.3389/fpls.2019.00139

FIGURE 2.

FIGURE 2

Structural characterization of 292 diverse genotypes. (A) Phylogenetic tree of all 292 genotypes estimated by 174 alleles of 30 SSR markers, the clades 1 and 2 represent the sub-populations P1 and P2, respectively, while sub-population P1 subdivided by alphabets A–E and sub-population P2 subdivided by alphabets A–F. (B) The dendrogram for various groups in P1 and (C) in P2. (D) The region based frequency of genotypes in various groups of Sub-populations. Hence, Eu, European genotypes; LAN, Landraces in China; NC, Varieties from Northern China; SWC, Varieties from Southwest of China; YS, local cultivars.