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- Title
Bioformulation of Burkholderia sp. MSSP with a multispecies consortium for growth promotion of Cajanus cajan.
- Authors
Pandey, Piyush; Maheshwari, D. K.
- Abstract
The present work was undertaken to formulate an effective bioformulation using Burkholderia sp. strain MSSP, a known plant-growth-promoting rhizobacterium. MSSP was tagged with the reporter gene of green fluorescent protein (gfp) to monitor its population in cost-effective solid carriers, including sugarcane–bagasse, sawdust, cocoa peat, rice husk, wheat bran, charcoal, and rock phosphate, and paneer–whey as liquid carrier. Physical and chemical properties of different low-cost carrier materials were studied. The viability of the green fluorescent tagged variant of MSSP was estimated in different sterile carrier materials. Whey and wheat bran proved to be efficient carrier materials for the bioformulation. Sawdust, rock phosphate, rice husk, and cocoa peat were average, while charcoal and sugarcane–bagasse proved to be inferior carriers. The viability of strain MSSP was also assessed in wheat bran and whey-based consortium, having three other bacterial strains, namely Sinorhizobium meliloti PP3, Rhizobium leguminosarum Pcc, and Bacillus sp. strain B1. Presence of other plant-growth-promoting bacteria did not have any detrimental effect on the viability of MSSP. Efficiency of the wheat-bran-based multispecies consortium was studied on the growth of pigeonpea in field conditions. A considerable increase in plant biomass, nodule number and weight, and number of pods was recorded as compared with individual trials and with the control.
- Subjects
GREEN fluorescent protein; PLANT biomass; PLANT growth promoting substances; BACTERIA; PIGEON pea; RHIZOBIUM japonicum
- Publication
Canadian Journal of Microbiology, 2007, Vol 53, Issue 2, p213
- ISSN
0008-4166
- Publication type
Article
- DOI
10.1139/W06-118