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. 2021 Mar 24;22(7):3324. doi: 10.3390/ijms22073324

Figure 3.

Figure 3

Antifungal activity of secreted metabolites by Plant Growth-Promoting Rhizobacteria (PGPR) strains. (A) Effects of the CSFs from RHFS10 (panel 1) and RHFS18 (panel 2) strains collected after 72 h of growth on the mycelial growth of M. phaseolina (panel 1). C+: Positive control, pentachloronitrobenzene; C−: Negative control, toluene. All experiments were performed in triplicate with three independent trials. (B) Antifungal activity of the Cell-Free Supernatants (CFSs) of the two strains RHFS10 and RHFS18 collected from 24 to 96 h of growth. Percentage of fungal growth inhibition was reported as the percentage reduction in the diameter of the fungal mycelia compared to control plate (panel 3). Data are presented as means ± standard deviation (n = 3). For comparative analysis of groups of data, one-way ANOVA was used and p values are presented in the figure: ***: extremely significant < 0.001.