International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:7, July, 2019

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.2019.8(7): 2546-2552

Isolation and Characterization of Desiccation Tolerant Rhizobacteria from Arid Regions of Karnataka, India
N. Lohith Kumar*, R. Muthuraju, G. Selvakumar, D. Kalaivanan and Y.A. Nanja Reddy
Department of Agricultural Microbiology, University of Agricultural Sciences, Bengaluru-65, Karnataka, India
*Corresponding author

An attempt was made to isolate and characterize the desiccation tolerant rhizobacteria from arid regions of Karnataka. A total of nine desiccation tolerant rhizobacteria were isolated from soil samples collected from arid regions of Chitradurga, Gadag and Koppal districts. These isolates were further subjected to morphological and biochemical studies. The Gram staining study of the nine isolates revealed thatCHI-1, CHI-2, CHI-3, and CHI-5 are Gram negative. The other isolates viz., CHI-4, GAD-1, GAD-2, KOP-1 and KOP-2 are Gram positive. The isolates CHI-1, GAD-1, KOP-1, 2 were positive for H2S production. CHI-2, 3, 4, 5, GAD-2, KOP-1, 2 were positive for casein hydrolysis. Bacterial isolates were screened for ammonia production, ACC deaminase activity, siderophore production. Among the isolates, isolate KOP-2, GAD-1, and CHI-4 showed better results for above parameters compared to other isolates.

Keywords: Drought, Constraints, Chitradurga

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How to cite this article:

Lohith Kumar, N., R. Muthuraju, G. Selvakumar, D. Kalaivanan and Nanja Reddy, Y.A. 2019. Isolation and Characterization of Desiccation Tolerant Rhizobacteria from Arid Regions of Karnataka, India.Int.J.Curr.Microbiol.App.Sci. 8(7): 2546-2552. doi:
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