International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:9, September, 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(9): 1980-1989

Growth Inhibition of Pathogenic Fungi and Salt Tolerance Ability of Rhizosphere Bacteria
Anupma Dahiya, Ruchi Sharma, Swati Sindhu and Satyavir Singh Sindhu*
Department of Microbiology, College of Basic Sciences and Humanities, CCS Haryana Agricultural University, Hisar - 125 004, Haryana, India
*Corresponding author

Management of crop diseases by biological control is an alternative and effective approach with minimum deleterious effect on environment and human health for ecosystem stability leading to improvement in crop yields. The present study was undertaken to characterize antagonistic rhizosphere bacteria against phytopathogenic fungi i.e., Neovossia indica and Rhizoctonia solani, which cause Karnal bunt and root rot disease, respectively. Twenty two rhizobacterial isolates out of total 88 isolates obtained from wheat rhizosphere, 25% isolates inhibited the growth of both R. solani and N. indica fungi. Individually, 27 isolates showed growth inhibition of R. solani whereas 49 isolates showed growth inhibition of N. indica. The results suggested that different bacterial metabolites are involved in antagonism of the two fungi. Thirty four antagonistic rhizobacterial isolates were further tested for salt tolerance at 2, 4, 6 and 8% salt concentrations. Thirteen isolates showed tolerance to 2% salt concentrations and twelve isolates showed salt tolerance upto 6% concentration. Only 10 bacterial isolates showed moderate growth at 8% salt concentration. The selected antagonistic rhizobacterial isolates having salt tolerance and plant growth promoting traits could help in improving crop productivity for sustainable agriculture.

Keywords: Rhizosphere bacteria, R. solanii, N. indica, Growth inhibition, Salt tolerance

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Anupma Dahiya, Ruchi Sharma, Swati Sindhu and Satyavir Singh Sindhu. 2018. Growth Inhibition of Pathogenic Fungi and Salt Tolerance Ability of Rhizosphere Bacteria.Int.J.Curr.Microbiol.App.Sci. 7(9): 1980-1989. doi:
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