Molecular Identification of Plant Growth-Promoting Rhizobacteria and Their Antiphytopathogenic Compounds by LC MS TOF Analysis
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Plant Growth-Promoting Rhizobacteria (PGPR) are beneficial bacteria that colonize plant roots and enhance plant growth through various mechanisms. This study assessed the role of PGPR in sustainable agriculture. Bacterial isolates were collected from various districts of Kerala, followed by isolation and screening. Out of 90 strains, ten were selected for comprehensive in vitro characterization, including morphological, biochemical and molecular identification. LC-MS-TOF analysis identified 37 anti-phytopathogenic compounds in positive mode and 11 in negative mode, confirming their strong biocontrol potential.These findings highlight their potential to enhance plant growth and disease resistance, supporting eco-friendly agricultural practices.
