Abstract
With the increase of population worldwide, we have been introduced to a significant challenge in the recent decade which is to feed the population that is growing at an alarming rate. There are several factors responsible which affect the mass production of crops/feed such as the limitation of agricultural land, environmental damage, and especially the number of biotic and abiotic stresses such as drought, salinity, and heavy metal. To overcome those stress barriers several scientific approaches such as the use of chemical fertilizers, pesticides, and herbicides, are adopted, which have their drawbacks in the environmental perspective. Therefore, in the context of sustainable agriculture, the use of plant growth promoting rhizobacteria (PGPR) is a good alternative approach which not only enhances plant growth under controlled environment but also helps plants to alleviate several biotic and abiotic stresses. PGPR produce various phytohormones, exopolysaccharides, organic acids, and small bioactive molecules which play an important role in the overall improvement in the plants’ health not only in the fertile environment but also under stress conditions. Hence, this chapter mainly focuses on the mode of action of various PGPR and highlights their role in stress conditions to improve plant growth.
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Saha, S.P., Mazumdar, D. (2022). Potential of Plant Growth Promoting Rhizobacteria for Enhancement of Plant Growth and Its Role in Improving Soil Health Under Abiotic Stress. In: Roy, S., Mathur, P., Chakraborty, A.P., Saha, S.P. (eds) Plant Stress: Challenges and Management in the New Decade. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-95365-2_19
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