Cited by 1,426Plant-Microbe Interactions and ImmunityAgriculture, Plant Science, Crop ManagementLegume Nitrogen Fixing Symbiosis

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Role of Plant Growth Promoting Rhizobacteria in Agricultural Sustainability—A Review

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Vejan, Pravin, Abdullah, Rosazlin, Khadiran, Tumirah, Ismail, Salmah, Nasrulhaq Boyce, Amru·2016·Molecules

DOI 10.3390/molecules21050573PMC PMC6273255

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Abstract

Plant growth promoting rhizobacteria (PGPR) shows an important role in the sustainable agriculture industry. The increasing demand for crop production with a significant reduction of synthetic chemical fertilizers and pesticides use is a big challenge nowadays. The use of PGPR has been proven to be an environmentally sound way of increasing crop yields by facilitating plant growth through either a direct or indirect mechanism. The mechanisms of PGPR include regulating hormonal and nutritional balance, inducing resistance against plant pathogens, and solubilizing nutrients for easy uptake by plants. In addition, PGPR show synergistic and antagonistic interactions with microorganisms within the rhizosphere and beyond in bulk soil, which indirectly boosts plant growth rate. There are many bacteria species that act as PGPR, described in the literature as successful for improving plant growth. However, there is a gap between the mode of action (mechanism) of the PGPR for plant growth and the role of the PGPR as biofertilizer—thus the importance of nano-encapsulation technology in improving the efficacy of PGPR. Hence, this review bridges the gap mentioned and summarizes the mechanism of PGPR as a biofertilizer for agricultural sustainability.

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Authors: Vejan, P., Abdullah, R., Khadiran, T., Ismail, S., & Nasrulhaq Boyce, A.
Affiliations: University of Malaya (MY)
Forest Research Institute Malaysia (MY)
Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
Corresponding author: Abdullah, Rosazlin
ORCID: Vejan, Pravin
Abdullah, Rosazlin
Khadiran, Tumirah
Ismail, Salmah
Venue: Molecules
Publisher: MDPI AG
Published: 2016-04-29
Volume: 21
Issue: 5
Pages: 573
ISSN: 1420-3049 (ISSN-L)
DOI: 10.3390/molecules21050573
PMC: PMC6273255
OpenAlex: W2342623340
Cited by: 1,426
References: 124
Citations by year: 2026: 139 · 2025: 145 · 2024: 207 · 2023: 189 · 2022: 189 · 2021: 204 · 2020: 140 · 2019: 105 · 2018: 64 · 2017: 37 · 2016: 3
FWCI: 6.77
Type: journal article
Language: en
Open access: gold
doi.org
Licence: cc-by
creativecommons.org/licenses/by/4.0/ (vor)
Locations: Molecules (publishedVersion, cc-by)
Europe PMC (PubMed Central) (publishedVersion, cc-by)
PubMed Central (publishedVersion, cc-by)
PubMed (publishedVersion)
DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders: Universiti Malaya
Topics: Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
Life Sciences › Agricultural and Biological Sciences › Plant Science › Legume Nitrogen Fixing Symbiosis
Keywords: plant growth-promoting rhizobacteria, biofertilizers, sustainable agriculture, plant hormone regulation, nutrient solubilization, nanoencapsulation, crop yield
MeSH terms: Agriculture, Soil Microbiology, Bacterial Physiological Phenomena, Plant Roots, Rhizosphere, Plant Development

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Role of Plant Growth Promoting Rhizobacteria in Agricultural Sustainability—A Review

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