Abstract
Plant species are considered to be one of the most important factors in shaping rhizobacterial communities and driving plant–microbe interactions in the rhizosphere. Based on their effects on the plant, the microbes interacting with plants can be pathogenic, saprophytic or beneficial. In recent years, there is much interest in the conservation of economically important and endangered medicinal plants in order to meet the great demand of biologically active compounds used by food, pharmaceutical and health-care industries. Plant growth-promoting rhizobacteria (PGPRs) have been used as cost-effective, eco-friendly inoculants for sustainable agricultural practice, but their role as a supplement to improve the growth and yield of medicinal plants has not evinced much interest. PGPRs are able to improve plant growth by improving seed germination, speeding up seedling emergence, minimizing the adverse effects of abiotic stresses and protecting plants from soil-borne pathogens and diseases. This chapter provides methods for the exploitation of beneficial microorganisms occurring in the rhizosphere as biofertilizer or bioprotectant. The review covers the studies published so far on the improvement of growth of endangered and economically important medicinal plants through the use of PGPRs and emphasizes some researchable issues for future attention.
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Acknowledgement
We are grateful to the Indian Council of Agricultural Research, New Delhi, for funding the investigations under the aegis of the All India Network Project on Soil Biodiversity-Biofertilizers, IISS, Bhopal.
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Chauhan, A., Shirkot, C.K., Kaushal, R., Rao, D.L.N. (2015). Plant Growth-Promoting Rhizobacteria of Medicinal Plants in NW Himalayas: Current Status and Future Prospects. In: Egamberdieva, D., Shrivastava, S., Varma, A. (eds) Plant-Growth-Promoting Rhizobacteria (PGPR) and Medicinal Plants. Soil Biology, vol 42. Springer, Cham. https://doi.org/10.1007/978-3-319-13401-7_19
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