Phosphate solubilization and growth promotion by Pseudomonas fragi CS11RH1 (MTCC 8984), a psychrotolerant bacterium isolated from a high altitude Himalayan rhizosphere

By G. Selvakumar, P. Joshi, Sehar Nazim, P. Mishra, J. K. Bisht, H. Gupta. Biologia, 2009

126 citations recorded by the source corpus.

Phosphate solubilization and growth promotion by Pseudomonas fragi CS11RH1 (MTCC 8984), a psychrotolerant bacterium isolated from a high altitude garlic rhizosphere from the Indian Himalayas, are reported here. The identity of the isolate was arrived on the basis of its biochemical features and sequencing of the 16S rRNA gene. The isolate grew and solubilized phosphate at temperatures ranging from 4 to 30°C. Besides solubilizing P it produced indole acetic acid (IAA) and hydrogen cyanide (HCN). Seed bacterization with the isolate significantly increased the percent germination, rate of germination, plant biomass and nutrient uptake of wheat seedlings. While Pseudomonas fragi is normally associated with the spoilage of dairy products stored at cold temperatures, this is an early report on the plant growth promoting ability of the bacterium.

Subfields: Plant Science

View Paper: https://www.semanticscholar.org/paper/15e0f968dfbb1200aa0b4f1548b49af0bf30238e

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In Plant Science

1. P. Mishra
2. J. K. Bisht
3. V. Nehra
4. G. Selvakumar
5. Prof. (Dr.) Baljeet Singh Saharan

Citations in the corpus

• Tricalcium phosphate is inappropriate as a universal selection factor for isolating and testing phosphate-solubilizing bacteria that enhance plant growth: a proposal for an alternative procedure (2013, unknown): “TCP Garlic 1 1 Wheat Selvakumar et al. (2009)”
• Plant Growth Promoting Rhizobacteria: A Critical Review (2011, background): “The Pseudomonas fragi CS11RH1 (MTCC 8984), a psychrotolerant bacterium produces hydrogen cyanide (HCN) and the seed bacterization with the isolate significantly increases the percent germination, rate of germination, plant biomass and nutrient uptake of wheat seedlings [147].”
• Pseudomonas lurida M2RH3 (MTCC 9245), a psychrotolerant bacterium from the Uttarakhand Himalayas, solubilizes phosphate and promotes wheat seedling growth (2011, background): “In the past solubilization of mineral phosphorous had been widely studied at mesophilic temperatures, but recent studies have shifted the focus on psychrotolerant temperatures ( Selvakumar et al. 2009c ).”