International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:4, April, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(4): 3790-3796

Talc-Based Bioformulations of Fluorescent Pseudomonads for the Management of Coleus and Ashwagandha Root Diseases
S.B. Mallesh1*, R.P. Jaiprakash Narayan2 and Mallikarjun Dhotre2
1Department of Plant Pathology, University of Agricultural Sciences, Raichur, India
2College of Agriculture, Bheemarayanagudi - 585 287, India
*Corresponding author

Plant growth promoting rhizobacteria (PGPR) were isolated from rhizospheres of coleus (Coleus forskohlii) and ashwagandha (Withania somnifera) from different parts of Karnataka. Isolated PGPR strains were screened for their efficacy against three soil-borne pathogens like Fusarium, Ralstonia and Meloidogyne in coleus and ashwagandha. Meloidogyne incognita causes root-knot disease complex and in conjunction with other two pathogens. Plant growth promoting activity of rhizobacteria having been tested, their phenotypic as well as biochemical characterization of these potent PGPR strains showed them to be fluorescent pseudomonads. Talc-based bioformulations of these fluorescent pseudomonads were utilized in replicated pot and field experiments to determine their efficacy to suppress the disease complex and enhance plant growth parameters of coleus and ashwagandha. Among the seven potent strains RB-50 and RB-31 decreased root knot index and incidence of disease complex while increasing plant height, number of branches, fresh and dry biomass; tuber yield in respect of both coleus and ashwagandha.

Keywords: Fluorescent Pseudomonads, Medicinal plants, Talc-based bioformulations, Disease management

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How to cite this article:

Mallesh, S.B., R.P. Jaiprakash Narayan and Mallikarjun Dhotre. 2018. Talc-Based Bioformulations of Fluorescent Pseudomonads for the Management of Coleus and Ashwagandha Root Diseases.Int.J.Curr.Microbiol.App.Sci. 7(4): 3790-3796. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.