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Effects of exogenous DCPTA application on the activities of APX (A), GR (B), DHAR (C), and MDHAR (D) in the leaves of maize seedlings exposed to PEG-induced drought stress for 7 days. The data represent the means of independent measurements for five replicates, and the standard deviations are indicated by vertical error bars. Values with the same letters on the bars are not significantly different at P<0.05.
