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Seed germination in WT and transgenic lines under mannitol and NaCl stress after 21 days (A), total chlorophyll contents (B), and cell viability assay (C) of WT and transgenic tobacco under control and stress (PEG and NaCl) conditions for 7 days. The *, **, and *** denote statistical significance in responses of transgenic lines against control at P value ≤0.05, 0.01, and 0.001 respectively.
