Fig. 3.

Effect of different magnitude of PEG induced imbibitional dehydration stress (− 0.344, − 0.851 and − 1.619 MPa) on the activities of ascorbate peroxidase (a), glutathione reductase (b), superoxide dismutase (c) and catalase (d) of four indigenous aromatic rice varieties of Oryza sativa L. (Tulaipanji, Sitabhog, Badshabhog and Jamainadu). Results are mean of three replicates ± standard error. *Significant from control at 0.05 level (t test). **Significant from control at 0.01 level (t test)