Research Article

Streptomyces rochei ACTA1551, an Indigenous Greek Isolate Studied as a Potential Biocontrol Agent against Fusarium oxysporum f.sp. lycopersici

Figure 4

(a) Antifungal activity of the concentrated medium extracts derived from the solid culture of Streptomyces rochei ACTA1551 with or without F. oxysporum. Inhibition zone caused from (i) Streptomyces rochei ACTA1551 culture extract when F. oxysporum is present, (ii) Streptomyces rochei ACTA1551 culture extract when F. oxysporum is absent, (iii) Streptomyces rochei ACTA1551 low molecular weight fractions, (iv) Streptomyces rochei ACTA1551 high molecular weight fractions and negative control (no streptomycete extract added) (v). (b) Antifungal activity of the concentrated medium extracts derived from the solid culture of Streptomyces rochei ACTA1551 against E. coli.
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