Fig. 2From: Comparative physiological, biochemical, metabolomic, and transcriptomic analyses reveal the formation mechanism of heartwood for Acacia melanoxylonThe content comparison of total flavonoids, phenolics, starches, sugars, and terpenoids in SW, TZ, and HW of A. melanoxylon. Note: Data are presented in the mean ± SE. Different capital letters indicate that the treatment effect is significantly different at the p < 0.05 levelBack to article page