Fig. 1From: Ameliorative effect of melatonin improves drought tolerance by regulating growth, photosynthetic traits and leaf ultrastructure of maize seedlingsEffects of melatonin on net photosynthetic rate, transpiration rate, stomatal conductance, and intercellular CO2 of maize seedlings under drought stress. CKW; indicate Melatonin 0 μM + Control well water, CKD; Melatonin 0 μM + Control drought stress, MT1; Melatonin 50 μM + drought stress, MT2; Melatonin 100 μM + drought stress; MT3; Melatonin 150 μM + drought stress. Vertical bars represent ± S.D. (n=3). Different small letters indicate significant differences as determined by the LSD test (p ≤ 0.05)Back to article page