Fig. 2From: A tiered approach to genome-wide association analysis for the adherence of hulls to the caryopsis of barley seeds reveals footprints of selectionPCA for the entire Lr_all panel of 525 spring barley landrace accessions (both 2- and 6-rowed) based on iSelect SNP data. The unique grouping of accessions from Ethiopia (naked 2- and 6-rowed together with hulled 6-rowed accessions) is indicated by bracketsBack to article page