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. 2015 Apr 21;16(1):329. doi: 10.1186/s12864-015-1535-z

Figure 4.

Figure 4

Variation in the drought metabolome among six genotypes of P. balsamifera represented by a Pearson correlation coefficient (PCC) heatmap. Differential abundance [log2 (fold-change)] for metabolites significant for treatment main effect (ANOVA, p < 0.05) are represented. The PCC value was calculated for each pair-wise comparison among genotypes, and is represented by the colour in the given cell. All genotypes are represented on both the x- and y-axis in the same order.