TESTING SOME WILD Bacillus spp. STRAINS AS POTENTIAL BIOCONTROL AGENTS

The present investigation follows the study of twenty-four Bacillus spp. strains isolated from different samples (compost, municipal waste, crops waste, silage, forest soil, rhizosphere soil, poultry litter, cattle dung and rotting wood) collected from different areas from Galaţi region, Romania and...

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Published in:The Annals of the University Dunarea de Jos of Galati. Fascicle VI, Food technology Food technology, 2017-01, Vol.41 (2), p.51-61
Main Authors: Cotârleţ, Mihaela, Palade, Aurelian-Relu, Bahrim, Gabriela-Elena
Format: Article
Language:English
Subjects:
Agricultural wastes
Antibiotics
antifungal activity
Antifungal agents
Aspergillus
Bacillus
Bacillus spp
Bacillus subtilis
Bacteriology
bio-fungicides
Biological control
Biopesticides
Biotechnology
Cattle manure
Chitin
Chitinase
chitinase activity
Colloid chitin
Composts
Crops
Dung
Food industry
Food processing industry
Forest soils
Fungi
Fungicides
Fusarium graminearum
Fusarium oxysporum
Genetically altered foods
Geotrichum candidum
Gram-positive bacteria
Insects
Metabolites
Microbiology
Microorganisms
Municipal solid waste
Municipal wastes
Pathogens
Pest control
Pesticides
Rhizosphere
Serratia marcescens
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container_title The Annals of the University Dunarea de Jos of Galati. Fascicle VI, Food technology
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creator Cotârleţ, Mihaela
Palade, Aurelian-Relu
Bahrim, Gabriela-Elena
description The present investigation follows the study of twenty-four Bacillus spp. strains isolated from different samples (compost, municipal waste, crops waste, silage, forest soil, rhizosphere soil, poultry litter, cattle dung and rotting wood) collected from different areas from Galaţi region, Romania and the assessment of their potential as biocontrol agents against molds. The obtained results demonstrated that the tested indicator fungal strains, Penicillium expansum MIUG M11, Geotrichum candidum MIUG M63, Aspergillus glaucus MIUG M61 and Fusarium graminearum MIUG M59 were sensitive to varying degrees towards the Bacillus spp. action, with growth inhibition degrees ranging from 56.75% to 100%. Four Bacillus spp. isolates possess the ability to produce extracellular chitinase, which could be also used for the control of fungi and insects. By using the radial diffusion method, a hydrolysis zone of colloidal chitin between 27.0-34.5 mm was highlighted. The selected Bacillus spp. strains can be promising antifungal agents for pest control in agriculture and food industry.
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identifier ISSN: 1843-5157
ispartof The Annals of the University Dunarea de Jos of Galati. Fascicle VI, Food technology, 2017-01, Vol.41 (2), p.51-61
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subjects Agricultural wastes
Antibiotics
antifungal activity
Antifungal agents
Aspergillus
Bacillus
Bacillus spp
Bacillus subtilis
Bacteriology
bio-fungicides
Biological control
Biopesticides
Biotechnology
Cattle manure
Chitin
Chitinase
chitinase activity
Colloid chitin
Composts
Crops
Dung
Food industry
Food processing industry
Forest soils
Fungi
Fungicides
Fusarium graminearum
Fusarium oxysporum
Genetically altered foods
Geotrichum candidum
Gram-positive bacteria
Insects
Metabolites
Microbiology
Microorganisms
Municipal solid waste
Municipal wastes
Pathogens
Pest control
Pesticides
Rhizosphere
Serratia marcescens
title TESTING SOME WILD Bacillus spp. STRAINS AS POTENTIAL BIOCONTROL AGENTS
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