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

Figure 2.

Figure 2

Stomatal conductance (a); and leaf water potential (MPa) (b); in the 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).