extremely significantP < 0.01
Total anthocyanin biosynthesis and accumulation showed a significant negative correlation with gene expression (correlation coefficient > −0.8; P < 0.05), including that of C4H1 , FLS1 , FLS3 , 4CL , ANR , ANS , CYP98A3/C3H , CHI , DFR , PAL1 , PAL2 , CCR2 , CYP73A13 , UDP75L12 ( UDP75L121 , UDP75L122 and UDP75L123 ) and UDP78A15 , but an extremely significant positive correlation with F3H expression (correlation coefficient > 0.8; P < 0.01).