Fig. 1From: Genome-wide association study on stem rust resistance in Kazakh spring barley linesSubgrouping of 92 barley accessions from Kazakhstan based on 5050 SNP markers. a Clustering of accessions based on STRUCTURE software package and Delta K value (K = 3). Roman numbers are designate cluster order (see Table 1); b Principal Coordinate analysis of barley clustered groups using GenAlEx version 6.5Back to article page