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Physiological characteristics of transiently transformed tobacco under drought and demethylation treatments. (A,E) Catalase activity; (B,F) peroxidase activity; (C,G) superoxide dismutase activity; (D,H) proline content. Significant differences from the control are indicated, “ns” represents no significant difference. (* p < 0.05; ** p < 0.01, t-test).
