Abstract

Mini Review

Antagonistic features displayed by Plant Growth Promoting Rhizobacteria (PGPR): A Review

Mohsin Tariq*, Muhammad Noman, Temoor Ahmed, Amir Hameed, Natasha Manzoor and Marriam Zafar

Published: 02 June, 2017 | Volume 1 - Issue 1 | Pages: 038-043

Soil dwelling bacteria able to colonize plant roots and closely associated soil are referred to as rhizobacteria. A wide range of rhizobacteria has the ability to promote plant growth directly by producing phytohormone and nutrients; and indirectly by controlling plant pathogen. These beneficial bacteria are known as plant growth promoting rhizobacteria (PGPR). PGPR control phytopathogens by producing chemicals that could damage pathogen cells, removing pathogen specific nutrients from the environment, or inducing resistance against pathogen in plant body. Antagonistic bacteria specifically damage pathogens by producing lytic enzymes, antibiotics and bacteriocins; and excluding pathogen from plant environment by siderophores oriented iron chelation. This review highlights the antagonistic feature of PGPR. Application of antagonistic bacteria as biopesticides is an attractive alternate of chemical pesticides. Chemical pesticides are non-targeted and cause pollution during its synthesis as well as at the site of application. Antagonistic bacteria could be used as biopesticides and biofertilizers for better plant health and growth improvement.

Read Full Article HTML DOI: 10.29328/journal.jpsp.1001004 Cite this Article Read Full Article PDF

Keywords:

PGPR; Antagonism; Siderophores; Antibiotics; Bacteriocins; Lytic enzymes

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