Phyllosphere Microbiome in Ecosystem Management and Plant Growth Promotion for Agricultural Sustainability
DOI:
https://doi.org/10.55863/ijees.2024.0300Keywords:
Phyllosphere, Microbiomes, Ecosystem, Plants, BiostimulantsAbstract
This review paper attempts to interpret the various role of phyllosphere microbiome, survival, resistant mechanisms to confront the adverse environmental conditions, production of pigment, extracellular polysaccharides, biosurfactants to promote surface attachment desiccation protection, volatile organic compounds, phytoalexins, as a defensive role to compete for space and nutrients. The beneficial phyllosphere microbes contributing to promotion of plant growth by facilitating nutrient acquisition, modulating hormonal signaling, biocontrol for plant pathogens in multi-various crops is discussed in detail. Phyllobacteria show encouraging interactions with host plants in improving plant health and biometric traits by regulating nutrient acquisition, phytohormones production, biotic and abiotic stress management. The members of genera Bacillus, Enterobacter, Microbacterium, Methylobacterium, Stenotrophomonas, Pseudomonas, Pseudarthrobacter, and Kocuria were the most dominant plant growth promoting bacteria reported in phyllosphere. The beneficial phyllosphere microorganism enhances crop yield while reducing the environmental footprint associated with synthetic fertilizers and pesticides. The review focuses and thrust on the development as well as commercialization of biostimulants derived from phyllosphere microbiomes. These biostimulants, and their metabolites, can be tapped to enhance plant growth, nutrient uptake, and overall crop performance in organic farming. Furthermore, this review paper focus on certain drawbacks that there have been few researches on phyllosphere yeast and its symbiotic association with bacteria, thereby emphasizing subsequent research in this area.
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Copyright (c) 2024 Gayathry G, Sabarinathan KG , Jayalakshmi T
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