Izvestiya of Saratov University.
ISSN 1816-9775 (Print)
ISSN 2541-8971 (Online)


bacteria – assiociants

Biological Properties of Bacteria – Assiociants Schizaphis graminum Rondani, 1852

The biological features of associative microorganisms Schizaphis graminum in the Saratov Region were studied. 3 species of bacteria from genera Bacillus were isolated. 100% of the species are able to use glucose and xylose; 66,7% – saccharose and mannitol. Alkaline pH is preferred 100% of the isolates. Bacillus clausii, B. oleronius and B. soli have nitrogenase activity and are able to utilize nitrate