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Phenotype and stress physiological indices of WT and transgenic lines under drought stress. (A) Phenotype of WT and transgenic lines under drought stress; (B) Relative leaf water content; (C) H2O2 accumulation was detected by DAB staining. Tobacco plants were stressed by drought for 10 days. The values represent the mean ± SD, and different letters indicate significant differences according to Duncan’s multiple range test (p < 0.05).
