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- Title
Rock phosphate solubilization by psychrotolerant <i>Pseudomonas</i> spp. and their effect on lentil growth and nutrient uptake under polyhouse conditions.
- Authors
Selvakumar, Govindan; Joshi, Piyush; Suyal, Preeti; Mishra, Pankaj Kumar; Joshi, Gopal Krishna; Venugopalan, Rangarajan; Bisht, Jaideep Kumar; Bhatt, Jagdish Chandra; Gupta, Hari Shankar
- Abstract
Psychrotolerant Pseudomonas isolates (RT5RP2 and RT6RP) isolated from the rhizoplane of wild grass at 3,100 and 3,800 m above mean sea level, respectively, from Rudraprayag district of Uttarakhand (India), were found to solubilize Udaipur rock phosphate (URP). Both isolates grew at temperatures ranging from 4 to 30 °C. Kinetics of phosphate solubilization by the bacterial strains showed a nonlinear regression of the rate of P solubilization, which fitted best in the power model, and showed a declining trend across three different temperatures. Under pot culture conditions, bacterization of lentil seeds (cv. VL Masoor 507) with the psychrotolerant Pseudomonas strains when combined with URP as a sole source of phosphorus resulting in significant enhancement in P uptake of the plants, compared to the application of rock phosphate alone.
- Publication
Annals of Microbiology, 2013, Vol 63, Issue 4, p1353
- ISSN
1590-4261
- Publication type
Article
- DOI
10.1007/s13213-012-0594-5