Additional file 4: Figure S3. of Integrated omics data of two annual ryegrass (Lolium multiflorum L.) genotypes reveals core metabolic processes under drought stress

Heatmaps of metabolite–metabolite correlations in positive mode (A) and negative mode (B). Metabolites were grouped by compound class, and each square represents the correlation between the metabolites indicated in the column and row headings. (TIFF 2818 kb)