Fig. 5From: Exogenous melatonin alleviates PEG-induced short-term water deficiency in maize by increasing hydraulic conductanceEffects of melatonin (MEL, 1 μM) application and water deficiency stress (PEG) on the water flow (Jvr) (a), root hydraulic conductance (Lpr) (b), and root surface area (c) of maize seedlings in hydroponic culture. Values are presented as the means ± SE (n = 6). Different letters indicate statistically significant differences at P < 0.05Back to article page