Fig. 1From: Identification of QTLs controlling grain protein concentration using a high-density SNP and SSR linkage map in barley (Hordeum vulgare L.)Histogram for grain protein concentration (GPC) in the ZGMLEL × Schooner population based on the mean value collected from six environments. The Y-axis represents the density of each group. The unit of the X-axis is GPC dataBack to article page