Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41938-018-0097-1/MediaObjects/41938_2018_97_Fig1_HTML.png)
Antagonism of isolate BA5 against Fusarium oxysporum f. sp. cucumerinum (Foc). a Antagonistic activity of soil bacterial isolates against Foc on potato dextrose agar (PDA), b antagonistic activity of isolate BA5 against Foc in dual culture on PDA after 5 days of culture at 27 ± 2 °C, c biomass reduction of Foc in broth-based dual culture with isolate BA5 in different media, d mycelial growth inhibition of Foc due to production of volatile compound(s), e Foc mycelial growth inhibition by cell-free culture filtrate from BA5 in dual culture on PDA, f antifungal activity of the solvent-aided crude substance of isolate BA5 against Foc, and g siderophore-mediated antagonism of isolate BA5 against Foc. Vertical bars represent standard deviations. The number of asterisks indicates the level of significance: a single asterisk (*) as significant (P ≤ 0.05) and double asterisks (**) as highly significant (P ≤ 0.001)