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  Published Paper Details:

  Paper Title

TO THE STUDY OF PHOSPHATE-SOLUBILIZING MICROORGANISM FOR ENHANCEMENT OF MURRAYA KOENIGII GROWTH AND YIELD

  Authors

  SONIYA SINGH,  HARSHA,  JOLLY

  Keywords

Phosphate-solubilizing bacteria, IAA production, Oil content, curry leaf, Transmission electron microscopy

  Abstract


Nineteen isolates of rhizobacteria associated with murraya koenigii, collected from various locations in Dehradun, were screened for phosphate solubiliza- tion and indole-3-acetic acid (IAA) production. Two potential phosphate-solubilizing bacterial isolates with substantial IAA biosynthesis capacity, Ps-5 and Ss-2, were selected for further study. Based on 16S rRNA gene sequence analysis, isolate Ps- 5 was identified as Bacillus sp. and Ss-2 as Alcaligenes faecalis. Both strains were found to be metabolically diverse in terms of the number and amount of different carbon sub- strates they utilized in the BIOLOG GN2/GP2 microplate assay. High-performance liquid chromatography analysis of the culture supernatant confirmed that Bacillus sp. Ps-5 pro- duced considerable amounts of both lactic and tartaric acids, while A. faecalis Ss-2 secreted only lactic acid. There was a strong positive correlation between phosphate solubilization and organic acid production by both strains. Following inoc- ulation, strain Ps-5 and Ss-2 were found to be good root colonizers and significantly (P?0.05) increased murraya koenigii growth and phosphorus (P) uptake. However, inoculation had a non-significant (P ?0.05) effect on murraya koenigii yield parameters, including oil contents. Based on these results, we conclude that Ps-5 and Ss-2 are potent plant growth- promoting rhizobacteria strains with the ability to supplement the P requirements of murraya koenigii crops. Further field inoculation studies are needed before these strains can be recommended as bio-inoculants. To the best of our knowledge, this is first report on the association and phytobeneficial potential of A. faecalis with murraya koenigii.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT2202449

  Paper ID - 216330

  Page Number(s) - d736-d744

  Pubished in - Volume 10 | Issue 2 | February 2022

  DOI (Digital Object Identifier) -   

  Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Cite this article

  SONIYA SINGH,  HARSHA,  JOLLY,   "TO THE STUDY OF PHOSPHATE-SOLUBILIZING MICROORGANISM FOR ENHANCEMENT OF MURRAYA KOENIGII GROWTH AND YIELD", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.10, Issue 2, pp.d736-d744, February 2022, Available at :http://www.ijcrt.org/papers/IJCRT2202449.pdf

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ISSN: 2320-2882
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ISSN: 2320-2882
Impact Factor: 7.97 and ISSN APPROVED
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