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. 2015 Aug 11;6:601. doi: 10.3389/fpls.2015.00601

FIGURE 5.

FIGURE 5

Effects of melatonin on GSH and PCs concentrations in tomato leaves and roots after 14 days long cadmium stress. The data shown here are the averages of four replicates, with the standard errors indicated by the vertical bars. The means denoted by the same letter within the same color histograms did not significantly differ at a P < 0.05, according to Tukey’s test. Cd, 100 μM cadmium; M25, 25 μM melatonin; M50, 50 μM melatonin; M100, 100 μM melatonin; M250, 250 μM melatonin; M500, 500 μM melatonin; FW, fresh weight.