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2Department of Microbiology, Gulbarga University, Kalaburagi, Karnataka-585 106, India
3Department of Botany, Gulbarga University, Kalaburagi, Karnataka-585 106, India
Biological control of pests is one of the important means for checking pest problems in tomato. Biopesticides include living organisms which can destroy pests. Use of biopesticides is one of the most appropriate and promising methods of pest management. A better alternative to chemicals are the soil microbes such as Trichoderma, Penicillium, etc., residing in the rhizosphere of crop plants that have the ability to suppress the pathogens. Successful biological control systems commonly employ naturally occurring, antagonistic microorganisms that are able to reduce the activities of plant pathogens. Such antagonists (or biocontrol agents) can compete with pathogens for nutrients, inhibit pathogen growth by secreting antibiotics, or reduce pathogen populations through parasitism. So the native organisms were isolated from the root section and soil of the tomato plants from various regions of Palakkad District, where identified by growing it in specific media. In the study various bacteria such as Lactobacilli, Pseudomonas, Cornyebacterium, Flavobacterium, Aeromonas, Staphylococcus, Streptococcus, Serratia and fungi such as Aspergillus niger, Aspergillus flavus, Cladosporium, Mucor, Trichophyton and Fusarium sp. were isolated.