Applications and Mechanisms of Plant Growth-Stimulating Rhizobacteria

  • Prem Chandra
  • Enespa SinghEmail author


Plant growth-stimulating rhizobacteria (PGPR) are the symbiotic soil-dwelling bacteria existed at the outer part of the plant root and participate for growth and improvement of the crops. Various regulatory substances are secreted by these bacteria in the circumstances of rhizospheric regions. Normally, PGPR mechanisms simplify the growth of a plant by fixing the nitrogen from atmospheric regions, dissolved the phosphorus and other raw materials, siderophores assembly which liquefy the appropriated iron, or controlling the phytohormones levels at numerous phases of growth. When unplanned development of plant growth takes place, the activities of PGPR diminish or avoid the disastrous effect of one or more plant pathogens microbes in the form of biocontrol agents. Various researchers have been recognized to improve the fitness and proficiency of aquanaut’s species of plants by using the growth-supporting rhizospheric bacteria under systematic and harassed circumstances. The advantageous rhizobacteria of the plant may reduce the comprehensive dependency on hazardous agronomic compounds which disrupt the agro-biota. This chapter emphasizes on the insight of the rhizospheric microbe which supports the growth of plant under the existing viewpoints. Conclusively, these favorable rhizospheric bacteria in various agro-biotas have been offered scientifically under normal and stress circumstances to focus on current developments with the objectives to improve forthcoming visions.


Indole Acetic Acid Biocontrol Agent Indole Acetic Acid Phosphate Solubilization Induce Systemic Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2016

Authors and Affiliations

  1. 1.Department of Environmental Microbiology, School for Environmental SciencesBabasaheb Bhimrao Ambedkar (A Central) UniversityLucknowIndia
  2. 2.Department of BotanyDayanand P.G. CollegeBachhrawan RaebareliIndia

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