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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Monday 23 September 2019

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Characterization of Phosphate Solubilizing and Potassium Decomposing Strains and Study on their Effects on Tomato Cultivation


Volume 3, Issue 4, August 2013, Pages 959–966

 Characterization of Phosphate Solubilizing and Potassium Decomposing Strains and Study on their Effects on Tomato Cultivation

Tin Mar Lynn1, Hlaing Swe Win2, Ei Phyu Kyaw3, Zaw Ko Latt4, and San San Yu5

1 Department of Biotechnology, Mandalay Technological University, Mandalay, Myanmar
2 Department of Biotechnology, Mandalay Technological University, Mandalay, Myanmar
3 Department of Biotechnology, Mandalay Technological University, Mandalay, Myanmar
4 Department of Biotechnology, Mandalay Technological University, Mandalay, Myanmar
5 Molecular Life Science Research Center, Jacobs University, Bremen, Germany

Original language: English

Received 28 May 2013

Copyright © 2013 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Seven strains were collected for phosphate solubilizing and potassium decomposing activities from Microbiology Laboratory, Department of Biotechnology, Shweziwa Biofertilizer Plant. When phosphate solubilizing activity of selected strains was qualitatively determined, all strains except from B1 strain, gave clear zone formation on NBRIP media. But when quantitatively determined by spectrophotometric method, all strains solubilized insoluble tricalcium phosphate. Among seven strains, Ps strain gave the highest soluble phosphate concentration (386 ppm). Potassium decomposing activity was also determined for qualitatively and quantitatively. For qualitative determination, potassium decomposing activity was screened for clear zone formation on potassium decomposing media. Among seven strains, B1 and Y strains cannot give clear zone around their colonies. But when determined by AAS method, all strains can decompose potassium mica by giving soluble potassium concentration. Y strain gave the highest soluble potassium concentration (8.45 ppm). Phosphate solubilizing and potassium decomposing strains were combined differently for four treatments to study their effects on tomato cultivation. Chemical fertilizer was also applied to compare with selected strains. Among all treatments, T-4 showed better result on total yield although yields were not significantly different.

Author Keywords: Phosphate solublizing, Potassium decomposing, NBRIP, AAS method, Tomato.


How to Cite this Article


Tin Mar Lynn, Hlaing Swe Win, Ei Phyu Kyaw, Zaw Ko Latt, and San San Yu, “Characterization of Phosphate Solubilizing and Potassium Decomposing Strains and Study on their Effects on Tomato Cultivation,” International Journal of Innovation and Applied Studies, vol. 3, no. 4, pp. 959–966, August 2013.