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. 2020 May 1;15(5):e0232269. doi: 10.1371/journal.pone.0232269

Fig 7. Heatmap analysis of Pearson’s correlation for the targeted stress indicators, osmolytes and antioxidant enzymes in maize seedlings (A and B) under control and drought stress conditions.

Fig 7

Pink and blue color indicates positive and negative correlations, respectively. The studied factors were correlated with catalase activity (CAT).