Fig. 2From: Genome wide association mapping and candidate gene analysis for hundred seed weight in soybean [Glycine max (L.) Merrill]Linkage disequilibrium (LD) evaluation and genetic features of the mapping population. a LD decay of the genome-wide association study (GWAS) population. b The first three principal components reflected by SNPs used in the GWAS. c Population structure of soybean germplasm. d A heatmap of the kinship matrix of the 185 soybean accessionsBack to article page