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. 2018 Oct 11;9:1392. doi: 10.3389/fpls.2018.01392

FIGURE 3.

FIGURE 3

Linkage disequilibrium (LD), principal component, and kinship analyses of soybean genetic data. (A) LD decay of the genome-wide association study (GWAS) population. (B) The first three principal components of more than 30,000 SNPs used in the GWAS. (C) Population structure of soybean germplasm collection reflected by principal components. (D) A heatmap of the kinship matrix of the 185 soybean accessions calculated from the same SNPs.