Fig. 1

Population structure of the common wheat population. a Neighbor-joining tree analysis of 191 wheat accessions. b Stacked bar plot of ancestry relationship of 191 wheat accessions when K = 2. c Plot of the first principle component against second principle component. d Decay of linkage disequilibrium (LD) in the A, B, D sub-genomes and total genome of the common wheat population. e Plot of delta K against putative K ranging from 1 to 10