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Kovilpatti, India

Tenzing Baliah N.,Ayya Nadar Janaki Ammal College | Pandiarajan G.,Gvenkataswamy Naidu College | Makesh Kumar B.,Gvenkataswamy Naidu College
Tropical Ecology | Year: 2016

The use of phosphate solubilizing bacteria (PSB) as biofertilizers has concurrently increased phosphorous uptake in plants and improved yields in several crop species. A laboratory study was conducted to isolate, identify and characterize the phosphate solubilizing bacteria from different crop soils such as Okra, Chilli, tomato, Cotton and Egg plant. The population dynamic of PSB was higher in the rhizosphere soil of tomato followed by brinjal. Based on the solubilization zone production in the solid medium, two isolates from each crop plant were selected and used for studies. The selected PSB strains were screened in vitro. Among 10 PSB isolates, 6 strains were identified as Bacillus megaterium, 2 strains as Pseudomonas putida and CP2 and CTP2 as P. fluorescence. The selected strains differed in utilization of different carbon, nitrogen, amino acid and vitamin sources. © International Society for Tropical Ecology.

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