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Effects of seed priming with silicon on (A) catalase, (B) superoxide dismutase, (C) peroxidase, (D) malondialdehyde, (E) hydrogen peroxide, and (F) total phenolics content in two maize cultivars under drought stress. Mean with same letter(s) do not differ significantly at p < 0.05. Error bars above the means indicate standard error (n = 3).
