Fig. 2
From: Protein content and HvNAM alleles in Nordic barley (Hordeum vulgare) during a century of breeding

Relative expression of a HvNAM-1 and b HvNAM-2 respectively in flag leaves probed 22 days after spike emergence. Dark grey boxes denote high protein content accessions and light grey boxes denote low protein content accessions. For details see Supplementary Table 1