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. 2021 Apr 16;10(4):783. doi: 10.3390/plants10040783

Figure 3.

Figure 3

Total (a) and reduced (Red) (b) ascorbic acid (AsA) content and total antioxidant activity (FRAP) (c) in leaves of tomato genotype ‘E42’ grown in open field in Battipaglia under optimal (100% irrigation) and limited water availability (50% irrigation) and treated (biostimulant) or not (control) with the biostimulant. Values are mean ± SE. Asterisks indicate significant effect of limited water availability (W), biostimulant treatment (B) and their interaction (W × B) according to ANOVA (ns = not significant; * = p < 0.05; ** = p < 0.01; *** = p < 0.001). Different letters indicate significant differences based on Duncan’s test (p ≤ 0.05).