Review Article Open Access

Accounting Plant Growth Promoting Rhizobacteria (PGPR) for Ecological Health

Abstract

In the present scenario, the demand for food and nutrient has increased due to population growth. Ascribable to industrialization and urbanization, a very small area of productivity land is available for maintenance of life process. Agricultural growth depends upon the microbial population present in the soil over the last few years. Plant growth promoting rhizobacteria has turned out to be the most efficient tool for sustainable agriculture. PGPR, exert its effect by creating an intracellular and extracellular rhizo environment in search of a carbon source. These are the microbes that are found near or around the roots of the plant. So, the mode of action of PGPR is a new ray of hope for the farmers and the government to maintain the continuous supply of food for the increasing population. PGPR, as a growth booster increases phosphate solubilization, siderophore production, biological nitrogen fixation, and secretion of phytohormones (like indole acetic acid, cytokinin and gibberellin). PGPR is important artillery to control plant pathogens. It is ecofriendly and helps to maintain ecological and economical balance. In the perspective of this, the review widens the scope of the use of PGPR as a green microbial consortium for greater agrobiology and sustenance especially in the areas, wherein paucity of facts on its use, implementation, and alertness of genetically modified organisms has long prevailed.

Preeti Jain*, Amita Gupta, Preeti Chandukar

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