Fig. 6From: Identification of physiological and metabolic networks involved in postharvest browning of cigar tobacco leavesSpearman correlation matrix between browning-related enzymes and metabolites. Blue indicates a positive correlation, red indicates a negative correlation, circle size indicates the strength of the correlation, and numbers indicate correlation coefficient values. * and ** indicate significant and highly significant differences (p < 0.05 and p < 0.01), respectivelyBack to article page