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. 2020 May 13;11:420. doi: 10.3389/fpls.2020.00420

FIGURE 2.

FIGURE 2

Gum arabic treatment on abaxial surface did not affect stomata closure. Control, leaves not treated with ABA and gum arabic; + ABA, leaves treated with ABA only; -EWab, leaves without ABA pretreatment but treated with gum arabic; -EWab: + ABA, leaves treated with ABA and gum arabic. Data are expressed as means ± standard error (n = 5). Statistical analysis was performed among different treatments at same time point, and different letters at the same time point indicate statistically significant (p < 0.05).