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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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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.2017.6(9): 2447-2454
DOI: https://doi.org/10.20546/ijcmas.2017.609.301


Phytohormones Production and Phosphate Solubilization Capacities of Fluorescent Pseudomonas sp. Isolated from Shimla Dist. of Himachal Pradesh
Parul Sharma1*, Pankaj Prakash Verma2 and Mohinder Kaur1
1Department of Basic Science (Microbiology Section), Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan-173230 (H.P), India
2Department of Microbiology, Kurukshetra University, Kurukshetra-136119, Haryana, India
*Corresponding author
Abstract:

Fluorescent Pseudomonas species are the diverse group of soil microorganisms that are involved in plant growth enhancement through various direct or indirect mechanisms. The present study was conducted to investigate the phytohormone production and other plant growth promoting traits of indigenous fluorescent Pseudomonas sp. isolated from apple rhizosphere. All the eight isolates produced plant growth regulators viz., auxin, gibberellins and cytokinins in the range of 11-22 µg/ml, 25.92-43.32 µg/ml and 17-30 µg/ml respectively. The maximum production of auxin (22 µg/ml) and gibberellins (43.32 µg/ml) was showed by isolate P7 whereas M and P11 isolates showed maximum production of cytokinins (30 µg/ml). The isolate K and P17 showed maximum (46 µg/ml) inorganic phosphate solubilization and maximum siderophore production of 43.32 % SU was showed by isolate P7. All the isolates showed ammonia production and only six isolates (viz., K, L, M, P3, P7 and P17) showed HCN production. Finally, these best selected fluorescent Pseudomonas isolates could be used for plant growth promotion and development of mixed bioformulation. The augmentation of such plant growth promoting fluorescent Pseudomonas in the ecosystems will ensure a healthy micro climate around the root environment by replacing chemical fertilizers.


Keywords: Auxins, Gibberellins, Cytokinins, Fluorescent Pseudomonas sp., Phosphate solubilisation, HCN.
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How to cite this article:

Parul Sharma, Pankaj Prakash Verma and Mohinder Kaur. 2017. Phytohormones Production and Phosphate Solubilization Capacities of Fluorescent Pseudomonas sp. Isolated from Shimla Dist. of Himachal Pradesh.Int.J.Curr.Microbiol.App.Sci. 6(9): 2447-2454. doi: https://doi.org/10.20546/ijcmas.2017.609.301