International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Research Paper | Microbiology | India | Volume 11 Issue 12, December 2022

Talaromyces amestolkiae - A Potential Phosphate Solubilizer Isolated from Rhizosphere Soil of Medicinal Plants

Jyothi V. | Thippeswamy B.

Abstract: In the present study, 13 PSF were isolated and screened by Pikovskaya?s media from 15 rhizosphere soil samples of different medicinal plants and labeled as PSF1 to PSF13. The in-vitro study confirms PSF10 has more phosphate solubilizing potential and was identified as Talaromyces amestolkiae; morphologically and confirmed by molecular characterization. The 18s rRNA sequence was deposited at GenBank, NCBI (MN904859). PSF 10 has good results in SI (3.21) and reduced pH in culture filtrate (3.8 from 6.89), colour change of Bromophenol blue indicator to yellow on an agar plate and Bromocresol purple indicator to yellow in broth to acidic condition, TA (30.16g/L) and 45?g of phosphate was found in the culture broth. It produces siderophore and IAA. Due to the maximum phosphate solubilization efficiency of the fungus, Talaromyces amestolkiae compared to other fungal isolates it can be recommended for the development of phosphate solubilizing biofertilizers used in agricultural fields.

Keywords: Costus igneus, Indole Acetic Acid, Solubilization Index, Siderophores

Edition: Volume 11 Issue 12, December 2022,

Pages: 299 - 303

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