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Effects of melatonin application with or without high temperature (42 °C) in soybean seedling after 3 and 7 days, phenotypical visualization of (A) shoot (B) root, (C) hydrogen peroxide, (D) DAB staining, (E) superoxide anion, (F) MDA level, and (G) electrolyte leakage. Each data point is the mean of three replicates. Error bars represent the standard error of the mean. Bars with different letters are significantly different from each other by Duncan’s multiple range test at p ≤ 0.05.
