Plant Growth-Promoting Rhizobacteria (PGPR) and Plant Health for Sustainable Agriculture

A special issue of Annals of Agri-bio Research (ISSN 2982-3374).

Submission Deadline：15 December 2026

Guest Editor

Dr. Panagiotis Madesis

1. Laboratory of Molecular Biology of Plants, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, 38446 Volos, Greece.

2. Institute of Applied Biosciences, Centre for Research and Technology, 57001 Thessaloniki, Greece.

Special Issue Information

The special issue of Annals of Agri-bio Research focuses on the emerging role of Plant Growth-Promoting Rhizobacteria (PGPR) in improving plant productivity, soil fertility, stress tolerance, and sustainable agricultural practices. The issue aims to bring together recent advances in plant–microbe interactions, rhizosphere biology, microbial biofertilizers, and environmentally friendly crop management strategies.

PGPR are beneficial soil microorganisms that colonize plant roots and stimulate plant growth through mechanisms such as nitrogen fixation, phosphate solubilization, phytohormone production, siderophore synthesis, and pathogen suppression. These microbes contribute significantly to sustainable agriculture by reducing dependence on chemical fertilizers and pesticides while enhancing crop resilience under biotic and abiotic stresses.

The issue also emphasizes interdisciplinary approaches integrating microbiology, biotechnology, plant physiology, molecular biology, and agronomy to develop climate-resilient and eco-friendly agricultural systems. Recent studies have demonstrated that PGPR can improve nutrient uptake, antioxidant activity, and plant defense responses under adverse environmental conditions, making them promising tools for future food security.

Researchers, academicians, and industry professionals working in agricultural and biological sciences are encouraged to contribute high-quality manuscripts that address innovative developments and practical applications of PGPR in plant systems.

This thematic issue welcomes original research papers, reviews, and short communications covering topics including:

• PGPR-mediated enhancement of plant growth and yield
• Rhizosphere microbial diversity and plant–microbe interactions
• Biofertilizers and biostimulants in sustainable agriculture
• PGPR in drought, salinity, heavy metal, and temperature stress tolerance
• Molecular mechanisms of PGPR-induced systemic resistance
• PGPR applications in horticultural, medicinal, and field crops
• Soil health improvement and nutrient cycling
• Nanotechnology and microbial consortia in agriculture
• PGPR-assisted phytoremediation and environmental sustainability
• Commercialization and field application of microbial inoculants

Keywords: Plant Growth-Promoting Rhizobacteria (PGPR), Rhizosphere Microbiology, Sustainable Agriculture, Plant–Microbe Interactions, Biofertilizers and Biostimulants

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