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Contemporary Problems of Ecology

2013 year, number 3

Viability and Virulence of the Siberian Isolates of Entomopathogenic Fungi Beauveria bassiana (Bals-Griv.) Vuill. Depending on Storage Time at Positive Temperatures

Institute of Systematics and Ecology of Animals SB RAS, 630091, Novosibirsk, Frunse str., 11
Keywords: Beauveria bassianа, viability, virulence, test insects


The studies of the Siberian isolates of Beauveria bassian а (Bals-Griv.) Vuill. fungus revealed that their viability and virulence were dependent on storage time at positive temperatures (8 °C or 18 °C ). It was proved that only at 8 °C the isolates kept their viability and virulence during 3 years. According to correlation anаlysis data, the virulence of the investigated fungus isolates at 18 °C depended mainly on storage time (57–72 %) and to a less degree on other uncontrolled factors (28–43 %).