A Study on Isolation of Phosphate Solubilizing Bacterial (PSB) Strain from Vermicomposted Soil and Their Phosphate Solubilizing Abilities
Journal Title: International Journal of Advanced Biotechnology and Research. - Year 2016, Vol 7, Issue 2
Abstract
ABSTRACT: Phosphate-solubilizing bacteria (PSB) function in soil phosphorus cycle, increasing the bioavailability of soil phosphorus for plants and increase their growth. Isolation and application of such phosphate solubilising bacteria will felicitate the growth of plants in soil-based agriculture. A phosphate solubilising bacterium was isolated from the vermicomposted soil in Chennai, which also had the ability to utilize Tricalcium phosphate at different concentrations. The bacterium was studied for its biochemical characteristics. The 16S rRNA gene sequencing proved that the bacterial strain SK1 belongs to Bacillus flexus. The bacterial strain SK1 showed maximum growth when they were cultured at temperature 35∘C and at pH 4.The bacterial strain was able to utilize up to 125 mg/L of Tricalcium phosphate in the medium.
Authors and Affiliations
Saikrithika S. , Veena Gayathri Krishnaswamy and Sujatha B.
Keywords
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