Fig. 4From: Comparative physiological, biochemical, metabolomic, and transcriptomic analyses reveal the formation mechanism of heartwood for Acacia melanoxylonPreliminary analysis of metabonomic data. (a–b) Principal component analysis of metabolites for SW, TZ, and HW (c) Correlation analysis for differential metabolites among SW, TZ, and HW. (d) Enrichment analysis of differential metabolites among SW, TZ, and HW (e) Z-score (standard score) analysis of 34 DEMs (f) Histogram analysis of KEGG metabolic pathway (g) Network diagram analysis of pathway correlation of differential metabolitesBack to article page