Fig. 8From: Molecular evolution and expression assessment of DFRs in appleRelative expression levels of MdDFRs in ‘Golden Delicious’ (G1), ‘Ruixue’ (G2), ‘Chengji No.1’ (G3) and ‘Astar’ (G4). G1 was used as the control. Error bars represent the mean ± SE from three biological repeats. Different letters denote significant differences (P < 0.05)Back to article page