International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 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(7): 2305-2316

Compatibility of Fungal and Bacterial Bio-Agents and their Antagonistic Effect against Fusarium oxysporum f. Sp. Lycopersici
Harshita*, A. Sinha, J.B. Khan, S. Trivedi, A. Verma and S.G. Rao
Department of Plant Pathology, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, U.P, India-208002, India
*Corresponding author

Fusarium oxysporum f. sp. lycopersici causing tomato wilt is a common soil borne fungus. Bio-control agents could be used as an eco-friendly approach to effectively control the disease and may be advised to the farmers for profitable organic farming. The fungal (Trichoderma harzianum) and bacterial (Bacillus subtilis and Pseudomonas fluorescens ) biological control agents were tested for their compatibility in vitro to determine whether they can be used in combination. Absence of inhibition zone indicated that the biocontrol agents were compatible with each other. Trichoderma harzianum, Bacillus subtilis and Pseudomonas fluorescens were tested in-vitro for their antagonistic activity against Fusarium oxysporum f.sp. lycopersici. The antagonistic potentiality of Trichoderma harzianum was determined by 25.4% percent inhibition of the growth of the fungal pathogen (F. oxysporum lycopersici) in presence of bio-control agent (T.harzianum) and the antagonistic activity of bacterial bio-control agents revealed maximum Zone of Inhibition (ZOI) with Bacillus subtilis (29.9 mm) followed by Pseudomonas fluorescens (25.6 mm).

Keywords: Fusarium oxysporum f. sp. lycopersici, Trichoderma harzianum, Bacillus subtilis, Pseudomonas fluorescens, Compatibility, Antagonistic activity.

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How to cite this article:

Harshita, A. Sinha, J.B. Khan, S. Trivedi, A. Verma and Rao, S.G. 2018. Compatibility of Fungal and Bacterial Bio-agents and their Antagonistic Effect against Fusarium oxysporum f. Sp. Lycopersici.Int.J.Curr.Microbiol.App.Sci. 7(7): 2305-2316. doi:
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