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Effects of Melatonin (100 μM) on antioxidant enzymes activities and their related transcript expression of (A, E) superoxide dismutase (SOD), (B, F) catalase (CAT), (C, G) peroxidase (POD) and (D, H) ascorbate peroxidase (APX) in leaves of tomato seedlings in presence or absence of high temperature (42 °C) stress. Data represent as a mean of standard deviation (SD) of three replications. Different letters indicate significant differences according to Tukey’s HSD test at P ≤ 0.05
