Population structure in the iCore.

<p>(A) Plot of Ancestry estimates for <i>k</i> = 5. Each bar represents the estimated membership coefficients for each accession in each of the five subpopulations (represented by different colors). (B) Geographical distribution of the accessions belonging to the iCore. A membership coefficient>0.8 was used to assign accessions (represented by circles) to the five subpopulations, and the remaining accessions were assigned to an ‘admixed’ group.