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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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(1): 2264-2269
DOI: https://doi.org/10.20546/ijcmas.2018.701.274


Characterization of Rhizobacteria for Multiple Plant Growth Promoting Traits from Mung Bean Rhizosphere
Soumya Routray1* and Veena Khanna2
1Department of Microbiology, PAU, Ludhiana, Punjab-141004, India)2Department of Plant Breeding and Genetics, PAU, Ludhiana, Punjab-141004, India
*Corresponding author
Abstract:

Soil microorganisms, that flourish in, on or around plant rhizosphere, have tremendous potential to stimulate plant growth by plethora of mechanisms. In this study, 40 rhizobacterial isolates from 15 mung bean rhizospheric soil samples were morphologically and biochemically analysed and tentatively assumed to belong to genera Bacillus (35%), Pseudomonas (55%) and Rhizobium (10%). Ten isolates were evaluated of plant growth promoting (PGP) traits at 35°C viz. production of IAA, GA (Gibberellic acid), flavonoid and siderophore as well as Zn and P solubilisation. Our study showed that all the 10 isolates produce IAA, GA and flavonoid in the range of 6.06-32.13 µg/ml, 109.8-126.3 µg/ml and 68.9-224.7 µg/ml respectively, whereas only 7 isolates were found to be efficient producers of both hydroxamate and catecholate siderophores in the range of 342.8-732.7 µg/ml. Again, all these isolates were potent solubiliser of Zn and P in plate assay. The solubilisation indices ranged from 2.1 to 4.4, 1.4 to 6.0 and 1.8 to 3.1 for ZnO, ZnCO3 and tri-calcium phosphate respectively. From this study, 3 isolates; S1P1, S4P1 and S13P1 showing superior PGP traits can be executed as effective biofertilizer in field trials for mung bean production.


Keywords: IAA, GA, Flavonoid, Mung bean, PGP, Rhizobacteria, Rhizobium
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How to cite this article:

Soumya Routray and Veena Khanna. 2018. Characterization of Rhizobacteria for Multiple Plant Growth Promoting Traits from Mung Bean Rhizosphere.Int.J.Curr.Microbiol.App.Sci. 7(1): 2264-2269. doi: https://doi.org/10.20546/ijcmas.2018.701.274