Fig. 6From: Cucumber Phospholipase D alpha gene overexpression in tobacco enhanced drought stress tolerance by regulating stomatal closure and lipid peroxidationEffects of drought stress on contents of soluble sugar (a), proline (b) and soluble protein (c) in leaves of both wild type (WT) and transgenic tobacco after treatment of 0, 8 and 16 d. Values are means ± SD (n = 3). * and ** Significant at P < 0.05 and P < 0.01 compared with WT, respectivelyBack to article page