Evaluation of in Vitro Plant Growth-promoting Traits and Bio-inoculant Formulation Using Native Azotobacter and Pseudomonas Strains From Diverse Agroclimatic Regions
Year: 2025
Type: article
Abstract: The present study investigates the plant growth-promoting potential of native Azotobacter and Pseudomonas isolates obtained from rhizospheric soils of Vastral (Ahmedabad), Mehsana (Gujarat), and Etawah (Uttar Pradesh). The isolated strains were evaluated for in vitro traits such as nitrogen fixation, phosphate solubilization, indole-3-acetic acid (IAA) production, siderophore secretion, and ammonia production. Based on performance, single and consortia-based bio-inoculants were formulated. Their efficacy was assessed through seed germination assays and pot trials using a selected crop under controlled conditions. The results demonstrated significant enhancement in germination percentage, root-shoot length, and overall plant vigor, especially with consortia treatments. This study highlights the potential of region-specific PGPR formulations for sustainable agricultural practices.
Authors: Khushbu Sengar, Dishaben Dave, Vaidehi Desai
Institution: Monark University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: green
OpenAlex ID: W7081655618
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