Abstract
Drought is the most destructive abiotic stress affecting the world’s food security. Rhizospheric and endophytic bacteria produce range of enzymes and metabolites, which help the plants to tolerate abiotic stress. Induced systemic resistance gets developed in plants surviving in drought conditions. Drought tolerance is induced in crops due to the production of exopolysaccharides, phytohormones like gibberellic acid, cytokinins, abscisic acid, and IAA, ACC deaminase, antioxidants, osmolytes, and volatile compounds. Plants in drought conditions survive due to rhizobacteria enhancing photosynthetic activity. PGPR improves the growth, antioxidant activity, and photosynthetic activity of the crops in drought conditions. Rhizobacteria assist in resource attainment, i.e., nitrogen, phosphorus, and essential minerals by changing the root morphology, improving the soil structure, and bioremediation of the polluted soils.
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Waghmode, M., Gunjal, A., Patil, N., Nawani, N. (2019). Role of Rhizobacteria in Drought Tolerance. In: Sayyed, R., Arora, N., Reddy, M. (eds) Plant Growth Promoting Rhizobacteria for Sustainable Stress Management . Microorganisms for Sustainability, vol 12. Springer, Singapore. https://doi.org/10.1007/978-981-13-6536-2_17
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