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Enhancing Phosphate Uptake and Antifungal Activity in Tomato Plants via Bacillus licheniformis Mutagenesis: Evaluating Growth Parameters

  • Soil and Agriculture - Research Paper
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Abstract

The objective of the investigation was to improve phosphate solubilization in tomato plants by Bacillus licheniformis, a rhizobacterium that promotes plant growth. Ultraviolet (UV) radiation, Ethyl methanesulfonate (EMS) and Ethidium bromide (EtBr) mutagenesis produced twenty-one mutants. Phosphate solubilization was higher in the PM7 (physical mutant) (121.00 g mL−1) than in the wild type (82.00 g mL−1). PM7 showed high antifungal activity against Phytophthora capsici, Fusarium oxysporum and Dematophora necatrix besides increased siderophore production and HCN production. In a net-house experiment, PM7 improved root and shoot parameters, P assimilation and soil P availability in tomato plants. This study demonstrates the potential of PM7 as an effective rhizobacterium for enhancing nutrient availability and plant growth.

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Acknowledgements

The authors are thankful to the Department of Basic Sciences, Microbiology section, Dr. Yashwant Singh Parmar, University of Horticulture and Forestry, Nauni, Solan, H.P, India for providing necessary facilities to conduct this work.

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Authors and Affiliations

  1. Department of Basic Sciences, Dr Yashwant Singh Parmar, University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, 173230, India

    Gaurav Kumar & Sonal Bhardwaj

  2. Department of Soil Science and Water Management, Dr Yashwant Singh Parmar, University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, 173230, India

    Anjali Chauhan

  3. Department of Forest Products, Dr Yashwant Singh Parmar, University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, 173230, India

    Mohit Shukla

  4. Department of Environmental Sciences, Dr Yashwant Singh Parmar, University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh, 173230, India

    Shubham Sharma

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  1. Gaurav Kumar
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Correspondence to Anjali Chauhan.

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Kumar, G., Chauhan, A., Bhardwaj, S. et al. Enhancing Phosphate Uptake and Antifungal Activity in Tomato Plants via Bacillus licheniformis Mutagenesis: Evaluating Growth Parameters. Braz J Microbiol (2024). https://doi.org/10.1007/s42770-024-01453-4

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