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Plant Growth-Promoting Microorganisms: An Option for Drought and Salinity Management in Arid Agriculture

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Plant Growth Promoting Microorganisms of Arid Region

Abstract

A huge diversity of microorganisms from the surrounding habitat form association with plants throughout their life cycle. Chiefly, plant-microbial associations are governed by the micro and macro habitat, as well as growth-stage of the plant. This phenomenon of highly selective plant-microbial association could serve as a major breakthrough in passing the bottleneck of microbe-mediate mitigation of abiotic stresses in plants, and development of climate-smart agricultural systems in changing agro-climate scenario. Associative microbes are capable of specifically perceiving and responding to the plant-signals relating to colonization and development of beneficial associations. These microbes colonize the plant-phyllosphere and rhizosphere; execute a variety of metabolic activities to yield different bioactive compounds capable of inducing a range of physicochemical responses in plants, which ultimately result in development of induced systemic tolerance conditions that makes plant relatively more resilient to the adverse environmental circumstances. This chapter principally summarizes the beneficial plant-microbe interactions under drought and salinity stress conditions. Further, the role of beneficial microbes in other abiotic stresses is also discussed along with the recent advancements and future outlook in this area.

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Acknowledgments

Authors are grateful to the Indian Council of Agricultural Research for financial support through the Network Project on Application of Microorganisms in Agriculture and Allied Sectors.

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Meena, K.K., Bitla, U.M., Sorty, A.M., Saritha, M., Kumar, S., Kumar, P. (2023). Plant Growth-Promoting Microorganisms: An Option for Drought and Salinity Management in Arid Agriculture. In: Mawar, R., Sayyed, R.Z., Sharma, S.K., Sattiraju, K.S. (eds) Plant Growth Promoting Microorganisms of Arid Region. Springer, Singapore. https://doi.org/10.1007/978-981-19-4124-5_6

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