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H2O2 concentration and activities of superoxide dismutase (SOD), ascorbate peroxidase (APX) and catalase (CAT) in the last fully expanded leaf in wheat as affected by melatonin application and Zinc Oxide (ZnO) nanoparticles. Mel, melatonin. Data represent the mean ± SE of three replicates. Different letters indicate significant differences (p < 0.05).
