Antagonistic rhizobacteria, more specifically fluorescent pseudomonads, are known to control fungal root diseases of agronomic crops. In this study, Pseudomonas aeruginosa bacteria were isolated from Hibiscus sabdariffa (roselle) rhizosphere. Bacterial isolate was assayed by dual culture technique for potential biological control agent against Rhizoctonia solani, Fusarium oxysporum, Sclerotium rolfsii and Macrophomina phaseolina as phytopathogenic fungi in vitro. Among P. fluorescens ...
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