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. 2021 Aug 30;10(9):1807. doi: 10.3390/plants10091807

Figure 1.

Figure 1

External quality characteristics of the apple fruit before any sprayings (T0) and 7 days after Spray#1 (SPRAY1), Spray#2 (SPRAY2), and Spray#3 (SPRAY3) for the control (C) and methyl salicylic acid (MeSA) and salicylic acid (SA) treatments. (A) Firmness on the shaded (SH) and sun-exposed (SE) sides of the fruit. (B) Fruit weight. (C) Peel hue angle on the shaded and sun-exposed sides of the fruit. (D) Peel red blush. Data are means ± standard error (n = 15). Different letters indicate significant differences among the treatments within each characteristic and each sampling time (p < 0.05; Duncan tests).