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

FIGURE 4.

FIGURE 4

Adaxial and abaxial epicuticular waxes had different contribution to leaf transpiration barrier. -Ad, adaxial epicuticular waxes were removed by gum Arabic; -Ab, abaxial epicuticular waxes were removed by gum Arabic; -Ad/-Ab, epicuticular waxes from both surfaces were removed by 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 same time point indicate statistically significant (p < 0.05). (A) Leaf morphological changes after epicuticular wax removal by gum arabic; (B) Leaf water loss was affected by the epicuticular wax removal.