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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.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(6): 3046-3055
DOI: https://doi.org/10.20546/ijcmas.2018.706.358


Efficacy of Microbial Consortia against Bacterial Wilt Caused by Ralstonia solanacearum in Hydroponically Grown Lettuce Plant
Parveen Khan*, Lohit Chandra Bora, P. K. Borah, Popy Bora and Kuldeep Talukdar
Department of Plant Pathology, Assam Agricultural University, Jorhat-785 013, India
*Corresponding author
Abstract:

Efficacy of three potential microbial bioagents, viz. Trichoderma viride, Bacillus thuringiensis, Pseudomonas fluorescens were evaluated against bacterial wilt of lettuce under hydroponic culture system. The microbial bioagents were tested in vitro for their antagonistic properties against Ralstonia solanacearum, the causal agent of bacterial disease in lettuce. Bioagents applied alone or as consortia, significantly reduced bacterial wilt pathogen in vitro producing varying sizes of inhibition zones in TTC medium. The inhibition produced by the combination of three antagonists T. viride, B.thuringiensis and P. fluorescens was significantly highest (70.27%) followed by combination of two bioagents T. viride and Bacillus thuringiensis (63.83%). This was followed by T. viride andP. fluorescens(59.84%). The combination of three antagonists T. viride, B. thuringiensis and P. fluorescens could also significantly reduce bacterial wilt incidence of lettuce plant in hydroponic culture tank


Keywords: Bacterial wilt, lettuce plant, hydroponic culture, microbial bioagents
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How to cite this article:

Parveen Khan, Lohit Chandra Bora, P. K. Borah, Popy Bora and Kuldeep Talukdar. 2018. Efficacy of Microbial Consortia against Bacterial Wilt Caused by Ralstonia solanacearum in Hydroponically Grown Lettuce Plant.Int.J.Curr.Microbiol.App.Sci. 7(6): 3046-3055. doi: https://doi.org/10.20546/ijcmas.2018.706.358