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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(8): 2962-2971
DOI: https://doi.org/10.20546/ijcmas.2019.808.342


Evaluations of Fluorescent Pseudomonads against Collor or Root Rot of Soybean Caused by Sclerotium rolfsii
Priyanka* and Geeta Goudar
Department of Agricultural Microbiology, University of Agricultural Sciences, Dharwad-580005, Karnataka, India
*Corresponding author
Abstract:

Collor or root rot of soybean is an important soil-borne fungal disease caused by Sclerotium rolfsii causing up to 5-50 per cent of yield losses annually. The present investigation was undertaken on effect of fluorescent pseudomonads on collor or root rot management in soybean. Sixty two different pseudomonad isolates were evaluated for their antagonistic activity against S. rolfsii under in vitro condition. Per cent inhibition of mycelial growth of S. rolfsii by pseudomonads ranged from 22.59 to 70.37. Fifty one isolates showed antagonism against the pathogen. Five isolates BFP22, BFP38, DFP47, DFP48 and DFP62 were found potent with 45. 56 -70.37 per cent inhibition of mycelial growth against S. rolfsii. They were further evaluated in greenhouse as seed treatment and soil application. Fluorescent pseudomonad isolate DFP48 was found potent and promising as it reduced the disease to the maximum extent of 21.96 per cent over pathogen alone control (56.01 %).


Keywords: Soybean, Sclerotium rolfsii, collor or root rot, fluorescent pseudomonads, bio-control
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How to cite this article:

Priyanka and Geeta Goudar. 2019. Evaluations of Fluorescent Pseudomonads against Collor or Root Rot of Soybean Caused by Sclerotium rolfsii.Int.J.Curr.Microbiol.App.Sci. 8(8): 2962-2971. doi: https://doi.org/10.20546/ijcmas.2019.808.342