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Actinomycetes: an unexplored microorganisms for plant growth promotion and biocontrol in vegetable crops

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Abstract

Actinomycetes, a Gram positive bacteria, well reported as a source of antibiotics, also possess potential to control various plant pathogens, besides acting as plant growth promoting agent. Chemicals in different forms are extensively being used in vegetable farming, adversely affecting the environment and consumer health. Microbial agent like actinomycetes can substantially replace these harmful chemicals, and have now started finding a place as an important input in to farming practices. Only selected vegetable crops belonging to 11 different families have been explored with use of actinomycetes as biocontrol and plant growth promoting agent till now. It provides ample opportunities to vegetable researchers, to further explore with use of this very important group of microorganisms, in order to achieve even higher production level of safe vegetables. Mycostop and Actinovate are two actinomycetes based formulations globally available for use in vegetable farming as a substitute for chemical formulations. Present review article has summarized the literature available on use of actinomycetes in vegetable farming. Existing wide gap in knowledge, and potential thrust areas for future research have also been projected.

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Abbreviations

ACC:

1-Aminocyclopropane-1-carboxylate

IAA:

Indole actetic acid

MPPF:

Mycelia preparation of pathogenic fungi

PGP:

Plant growth promotion

DAT:

Day after transplantation

CFU:

Colony forming unit

RHB:

Rhizobia helper bacteria

KI:

Kinetin

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Acknowledgements

This review article has been prepared under the institute project “Bioprospecting of microorganisms associated with vegetables against plant pathogens-Actinomycetes component” [Project Code IXX08678]. Facilities provided by Director, ICAR-IIVR, Varanasi, and Head, Division of Crop Protection, ICAR-IIVR, Varanasi is duly acknowledged.

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Funding was provided by Indian Council of Agricultural Research.

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Correspondence to A. Chaurasia.

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The authors declare that they have no conflict of interest.

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The mention of specific products, trade names, or manufacturers is intended only for accuracy, and should not be considered as an endorsement, or otherwise, of that product.

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Chaurasia, A., Meena, B.R., Tripathi, A.N. et al. Actinomycetes: an unexplored microorganisms for plant growth promotion and biocontrol in vegetable crops. World J Microbiol Biotechnol 34, 132 (2018). https://doi.org/10.1007/s11274-018-2517-5

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  • DOI: https://doi.org/10.1007/s11274-018-2517-5

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