Journal
MICROBIOLOGICAL RESEARCH
Volume 169, Issue 1, Pages 18-29Publisher
ELSEVIER GMBH
DOI: 10.1016/j.micres.2013.08.009
Keywords
Allelochemicals; Biological control; Microbial antagonism; Integrated plant disease management
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Funding
- Department of Science and Technology, New Delhi, Women Scientist Project (WOS-A)
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Soil borne fungal diseases pose serious constraints on agro-productivity. Biological control is nonhazardous strategy to control plant pathogens and improve crop productivity. PGPR (plant growth promoting rhizobacteria) have long been used as plant disease control agents. PGPR produced a wide range of secondary compounds that may act as signals-that is, allelochemicals that include metabolites, siderophores, antibiotics, volatile metabolites, enzymes and others. Their mode of action and molecular mechanisms provide a great awareness for their application for crop disease management. The present review highlights the role of PGPR strains, specifically referring to allelochemicals produced and molecular mechanisms. Further research to fine tune combinations of allelochemicals, plant-microbe-pathogen interaction will ultimately lead to better disease control. (C) 2013 Elsevier GmbH. All rights reserved.
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