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The main aim of our study is the development of bacterial biopreparates based on organic nitrogen and phosphorus mobilizing microorganisms, in order to replace the mineral fertilizers. The Pseudomonas strains isolated from Borsáros Raised Bog natural reserve were analyzed for the biofilm production ability through crystal violet staining, and for bacterial motility on low agar plates. The studied characteristics are beneficial in the rhizosphere colonization and give a higher survival rate of the selected bacteria in a harsh environment. Our results show that the majority of the selected Pseudomonas strains have a good colonization and survival potential in the rhizosphere environment.

Keywords: biofilm production, exopolysaccharide matrix, bacterial motility, Pseudomonas strains