Fig. 7From: Genome-level analysis of BpR2R3-MYB family genes transcribed in seedlings of Betula platyphylla and BpR2R3-MYB15 enhanced flavonoid productionFlavonoid content and gene expression of BpR2R3-MYB15 and BpR2R3-MYB21 under one daily cycle and 90 μmol L−1 Cd treatment. A Flavonoid content in one daily variation at 3-h intervals; B flavonoid content after 1d and 4d under 90 μmol L−1 Cd treatment; C gene expression of BpR2R3-MYB15 and BpR2R3-MYB21 under one daily cycle and 90 μmol L−1 Cd treatment. Different letters show significant differences among treatment means (P < 0.05, Tukey’s test)Back to article page