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June 6, 2026Frontiers in MicrobiologyOpen Access

Qualitative and quantitative evaluation of phosphate-solubilizing ability of Lysinibacillus macroides: a climate-resilient biofertilizer candidate for sustainable crop nutrition

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Authors

PGPushpa GehlotJYJyoti YadavTJTripta Jain

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Overview

Randomized trial demonstrates enhanced phosphorus mobilization in chili plants using Lysinibacillus macroides, suggesting improved nutrient management.

Key Points

  • Evaluate the phosphate-solubilizing ability of Lysinibacillus macroides and its potential as a climate-resilient biofertilizer.
  • Characterized 23 rhizospheric bacterial isolates using qualitative and quantitative assays.
  • Assessed solubilization efficiency on Pikovskaya’s agar and NBRIP broth.
  • Conducted seed biopriming to validate effects on germination and seedling vigor.
  • Lysinibacillus macroides showed significant solubilization of tricalcium phosphate up to 30.03 μg mL–1.
  • Germination rate enhanced to 96.66% with a Seedling Vigor Index of 766.88.
  • Demonstrated tolerance to pH (4-10), temperature (15-45°C), and salinity (0.01-0.1% NaCl).

Cite This Study

Gehlot et al. (2026) studied this question.

synapsesocial.com/papers/6a23b86b71a5da9775e74ae5https://doi.org/10.3389/fmicb.2026.1849362
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