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Carrier-based Preparations of Plant Growth-promoting Bacterial Inoculants Suitable for use in Cooler Regions

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Summary

Carrier-based preparations of two plant growth-promoting rhizobacteria (PGPR) viz. Bacillus subtilis and Pseudomonas corrugata, developed in five formulations were evaluated for their growth promotion, rhizosphere colonization, and viability under storage. The effect of these formulations as fresh preparations, and after 6 months of storage at 4 °C and room temperature, was also determined. The bacterial inoculants in all the formulations were found to enhance the growth parameters of the test plant species; best results were obtained in case of alginate-based formulations. Maximum numbers of inoculated bacteria were recovered from the rhizosphere of alginate-based formulation-treated plants after 6 weeks of growth. Viability of bacterial inoculants was maximal in alginate beads, and alginate beads supplemented with skim milk formulations, after 180 days of storage at 4 °C.

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Correspondence to Anita Pandey.

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Trivedi, P., Pandey, A. & Palni, L.M.S. Carrier-based Preparations of Plant Growth-promoting Bacterial Inoculants Suitable for use in Cooler Regions. World J Microbiol Biotechnol 21, 941–945 (2005). https://doi.org/10.1007/s11274-004-6820-y

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  • DOI: https://doi.org/10.1007/s11274-004-6820-y

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