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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 2023: 95.56
Index Copernicus ICI Journals Master List 2023 - IJCMAS--ICV 2023: 95.56
For more details click here
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Original Research Articles                      Volume : 9, Issue:2, February, 2020
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38
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Int.J.Curr.Microbiol.App.Sci.2020.9(2): 477-415
DOI: https://doi.org/10.20546/ijcmas.2020.902.059


Isolation and Screening of Phosphate Solubilizing Bacteria
from Paddy Rhizosphere Soil
Eramma1*, Mahadevaswamy1, Satyanarayana Rao2, Y. M. Ramesh3 and Nagaraj M. Naik1
1Department of Agricultural Microbiology, AC Raichur, UAS, Raichur, India
2UAS, Raichur, Karanataka, India
3Department of Agronomy, ARS Dadesugur, UAS, Raichur, India
*Corresponding author
Abstract:

Phosphorus is one of essential macro-minerals for the growth and development of plant. The main of this study to isolate the PSB and screened for its solubilization efficiency on Pikovskaya’s agar and broth at different incubation period. Totally 40 PSB were isolated from paddy rhizosphere soils of Raichur and Koppal districts. PSB isolates were studied for zone of solubilization, solubilization efficiency, solubilization index, ph change titrable acidity and phosphatase activity. The solubilization zone, efficiency and index were highest on 6th day of incubation period. From that 10 isolates were found to be good phosphate solubilizer. Among 10 isolates, isolate PPSB-21 showed highest zone of solubilization (18.4 mm) phosphate solubilization efficiency (253.84%) and solubilization index (3.53) on Pikovsakaya’s medium. These efficient isolates can be used as biofertilizer.


Keywords: Phosphate,Bacteria, Paddy, Pikovsakaya’s medium

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How to cite this article:

Eramma, Mahadevaswamy, Satyanarayana Rao, Y. M. Ramesh and Nagaraj M. Naik. 2020. Isolation and Screening of Phosphate Solubilizing Bacteria from Paddy Rhizosphere Soil.Int.J.Curr.Microbiol.App.Sci. 9(2): 477-415. doi: https://doi.org/10.20546/ijcmas.2020.902.059
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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