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Antagonistic activity of 96 microbial isolates obtained from the banana rhizosphere against Fusarium oxysporum f. sp. cubense (Foc) tropical race 4 (TR4). Means of four replicates, standard error, and heatmap are shown. Data for Pseudomonas spp., Bacillus spp., and Streptomyces spp. were obtained from dual culture assays (which allow evaluating the effect of both agar-diffusible metabolites and volatile compounds), and those for Trichoderma spp. from cellophane-agar (first column; only agar-diffusible metabolites) and overlapping plate methods (second column; only volatile compounds). Isolates included in the synthetic microbial communities SynCom 1.0, 1.1, and 1.2 are also indicated.
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F2
SynCom 1.0 was designed with 44 isolates, viz. the best 11 isolates of the four genera based on the in vitro antagonism assays (Figure 2). Trichoderma sp. isolate (T2C1.4) (Figure 2).
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