Plant growth-promoting rhizobacteria (PGPR) are defined as root-colonizing bacteria that exert beneficial effects on plant growth and development. Root colonization comprises the ability of bacteria to establish on or in the plant root, to propagate, survive and disperse along the growing root in the presence of the indigenous microflora. Rhizobacteria are considered as efficient microbial competitors in the root zone. Representatives of many different bacterial genera have been commercialized and/or introduced into soils, onto seeds, roots, tubers or other planting materials to improve crop growth. These bacterial genera include Acinetobacter, Agrobacterium, Arthrobacter, Azospirillum, Bacillus, Bradyrhizobium, Frankia, Pseudomonas, Rhizobium, Serratia, Thiobacillus and others. To date, probably the most widely used PGPR in agriculture are Rhizobium and Bradyrhizobium species for their nitrogen-fixing capacity in roots of Leguminosae.
CITATION STYLE
Bakker, P. A. H. M., Raaijmakers, J. M., Bloemberg, G. V., Höfte, M., Lemanceau, P., & Cooke, M. (2007). Foreword. New Perspectives and Approaches in Plant Growth-Promoting Rhizobacteria Research. Springer Netherlands. https://doi.org/10.1007/978-1-4020-6776-1_1
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