Fig. 3From: Integrative physiological, metabolomic, and transcriptomic analysis reveals the drought responses of two apple rootstock cultivarsQualitative and quantitative analysis of the metabolomics data for ‘Jizhen-2’ and ‘ZC9-3’. (A), Classification of the 693 metabolites. (B), Heatmap of the quantified metabolites. (C), Principal component analysis (PCA) of 12 samples and QC samples (mix indicates QC samples). (D), PCA of Jizhen-2-CK, Jizhen-2-D, ZC9-3-CK, and ZC9-3-D samplesBack to article page