Co-inoculation of Rhizobia and Other Plant Growth-Promoting Rhizobacteria as Biofertilizers: A Biotechnological Overview
Authors/Creators
- 1. Federal University of Ceará, Bachelor's Degree in Biotechnology, Department of Biochemistry and Molecular Biology, Fortaleza, Ceará, Brazil.
- 2. Federal University of Ceará, Graduate Student - Ecology and Natural Resources, Department of Biology, Fortaleza, Ceará, Brazil
- 3. Federal University of Ceará, Microbiology Professor, Department of Biology, Fortaleza, Ceará, Brazil
Description
ABSTRACT
The use of rhizobia as inoculants in leguminous plants is a traditional technique for nitrogen bioavailability for these plants. In Brazil, this inoculation is capable of supplying all the nutritional needs of soybeans. However, as the world’s population and food need increases, it is important to prospect techniques to increase the productivity of crops in an efficient and sustainable way. Co-inoculation of rhizobia with other plant growth-promoting rhizobacteria (PGPR) is promising in this area. Actinobacteria are PGPR with immense biotechnological potential and, in the soil, they perform several functions, such as the production of phytohormones, antibiotics, and exoenzymes that help plant growth. Furthermore, it has been documented that actinobacteria can act as growth promoters of rhizobia. The ecological combinations and the successor plants in the soil are determinants in the soil communities, and all these concepts and perspectives are proposed in this review.