The purpose of this study was to isolate and select the rhizospheric bacteria capable of developing multiple mechanisms
of action related to the biocontrol of phytopathogenic fungus Exserohilum turcicum affecting maize crops and cause a
disease called Turcicum Leaf Blight. The screening procedure consisted of antagonism tests against the fungus,
taxonomic identification, biochemical analysis, detection by PCR of several genes related to antifungal activity. Eight
isolates, identified and designated as Pseudomonas BMLK1, BMLK9, BMLK11 and BMLK18. Phosphate solubilising
bacteria desinated as BMLP3 sand BMLP4 and actinomycetes isolates BMLA1 and BMLA11.BMLA1 showed highest
percentage of growth inhibition. Biochemical assays were performed for these eight isolates and then after it’s DNA
extraction, by using universal primers 16S27F and 16S1115R, 16S rRNA genes from these isolates were amplified by
PCR, amplicons were partially sequenced. Finally, the 16S rDNA sequences were compared with those available in the
NCBI Database combining a blast search and analysis. It has been found that BMLP3 and BMLP4 showed similar
banding pattern which may emphasize that, they may belong to similar genera of microorganism. BMLK1 and
BMLA11 have closely related banding pattern, which may emphasize that they may have closely related antifungal
activity.