Figure 9. Effects of melatonin on malondialdehyde (MDA) content in maize seedlings under drought stress.
The treatments names are the same as those described in Fig. 1. Both foliar spray and soil drench use the same concentrations of melatonin. Vertical bars represents ± S.D. (n = 3). Different letters indicate significant differences as determined by the LSD test (p < 0.05).