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. 2019 Oct 11;7:e7793. doi: 10.7717/peerj.7793

Figure 11. Effects of melatonin on proline content in maize seedlings under drought stress.

Figure 11

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).