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. 2018 Jul 3;9:914. doi: 10.3389/fpls.2018.00914

FIGURE 4.

FIGURE 4

Effects of exogenous melatonin on the endogenous melatonin in wheat seedlings growth under control and salt stress (100 mM NaCl) conditions for 16 days. (A) Changes of endogenous melatonin in response to exogenous melatonin treatment, (B) expression levels of TaSNAT in leaves of wheat seedlings under control, exogenous melatonin (1 μM) and salt stress (100 mM NaCl) conditions for 16 days. Wheat actin 3 gene was used as an internal control. Error bars represent SE of three independent experiments. Different letters indicate significant differences at P < 0.05 in comparison with control.