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

Aphis pomi

Biological Properties of Bacteria – Assiociants Aphis Pomi Degeer, 1773

The biological features of associative microorganisms Aphis pomi in the Saratov Region were studied. 12 species of bacteria from 2 genera were isolated. 94.2% of the species are able to use glucose; 76.5% – saccharose. Alkaline pH is preferred 100% of the isolates. Bacillus funiculus, B. clausii, B. oleronius, B. soli have pectinase activity, 83% of the species have the enzyme nitrogenase, 58% of species are capable to recove cellulose.