Interaction of associative bacteria and an endomycorrhizal fungus with barley upon dual inoculation

When barley was inoculated with the mycorrhiza-forming fungus Glomus intror adices 7, the additional introduction of the associative nitrogen-fixing: b acterium Azospirillum lipoferum 137 and the phosphate-solubilizing bacteria Agrobacterium radiobacter 10 and Flavobacterium sp. L30 did not affect the intensity of the development of mycorrhizal structures in the roots, Mycor rhization of the plants was conducive to better establishment of A. lipofer um 137 in the rhizoplane but significantly decreased root colonization by F lavobacterium sp. L30. Inoculation of barley with the phosphate-solubilizin g bacterium alone and together with G. introradices 7 increased the yield a nd accumulation of phosphorus in the grains. However, coinoculation did not produce any: synergistic or additive effect on the growth and uptake of nu trients by the plants.