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April 19, 2026South African Journal of BotanyOpen Access

Biotechnological potential of Burkholderia and Paraburkholderia spp. from the Caatinga biome: Phosphorus and Potassium solubilization and growth promotion in cucumber (Cucumis sativus L.)

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Authors

ESEdilania Pereira da SilvaCBCaliane da Silva BráulioASAdailson Feitoza de Jesus Santos

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Overview

Research uncovers rhizobacteria that enhance cucumber growth in greenhouse settings, suggesting novel agricultural applications.

Key Points

  • The study aims to identify rhizobacteria from the Caatinga biome that can solubilize phosphorus and potassium, enhancing plant growth.
  • Screened rhizobacteria for phosphorus and potassium solubilization using selective media.
  • Evaluated exopolysaccharide production, IAA synthesis, and other growth-promoting traits.
  • Sequenced 16S rRNA gene region of promising isolates.
  • Inoculated selected strains into cucumber plants in greenhouse conditions.
  • Thirty-three bacterial isolates were obtained, with 18 capable of solubilizing phosphorus and 30 potassium.
  • Burkholderia was the predominant genus with 20 isolates identified.
  • Isolates Burkholderia sp. GB20 and Paraburkholderia sp. GB15 showed significant enhancements in all measured plant growth parameters.

Cite This Study

Silva et al. (2026) studied this question.

synapsesocial.com/papers/69e4713b010ef96374d8dd6ahttps://doi.org/10.1016/j.sajb.2026.04.003
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