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August 19, 2026Nature Environment and Pollution TechnologyOpen Access

Microbial Interventions for Sustainable Agriculture: Plant GrowthPromoting Rhizobacteria (PGPR) Activity of Isolates of Saline Soils from Karad Taluka, Maharashtra, India

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Authors

PPPoonam PatilAPAparna G PathadeGPGirish Pathade

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Overview

In vitro isolation study reveals multifaceted plant growth-promoting traits in native halotolerant bacteria from saline soils, highlighting their potential as bioinoculants for sustainable...

Key Points

  • To evaluate the physicochemical characteristics of saline soils from Karad Taluka and screen indigenous halotolerant bacterial isolates for plant growth-promoting rhizobacterial (PGPR) traits.
  • Analyzed soil samples for pH, sodium levels, organic carbon, nitrogen, and micronutrient contents.
  • Isolated five halotolerant bacterial strains (Ko1, Va1, Be1, Vm1, and At1) from saline soil environments.
  • Assayed bacterial isolates for phosphate and potassium solubilization, biological nitrogen fixation, indole-3-acetic acid (IAA) production, and siderophore synthesis.
  • Soil analysis demonstrated high alkalinity with pH values ranging from 8.8 to 9.4 alongside elevated sodium concentrations and nutrient deficiencies.
  • All five halotolerant isolates successfully performed phosphate solubilization, potassium solubilization, nitrogen fixation, and IAA production, with four isolates demonstrating siderophore synthesis.
  • Strains Be1, Vm1, and At1 displayed the most robust multi-trait performance, identifying them as prime bioinoculant candidates for saline agricultural environments.

Cite This Study

Patil et al. (2026) studied this question.

synapsesocial.com/papers/6a8563d703308d306e2d7351https://doi.org/10.46488/nept.2026.v25i03.b4419
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Halotolerant Rhizobacteria Isolated from Salinity-Impacted Marginal Soils: Characterization and Potential for Plant Growth Promotion2025
  2. 2Nurturing Growth in Salt-Stricken Soil: Unveiling Halotolerant Bacteria for Enhanced Crop Resilience in Saline Soil2024
  3. 3The Plant Growth Promoting Potential of Saline Tolerant Rhizobacteria under In vitro Saline Stressed Conditions2024 · 1 citations
  4. 4Phylogenetic Analysis of Bacterial Isolates Recovered from Salt-affected Soils of Haryana & Punjab, India2024
  5. 5Screening of Efficient PGPR Strains from Saline Soils2025