EN
The aim of study was to compare four nutrient media from usefulness point of view for further analysis of fungi inhabiting stem weevils body. Yeast and bacterial organisms were amount a half of all colonies. Essential differences between media concern quantity of microorganisms species. The largest proportional part of fungi was reached on nutrient medium PDA with streptomycin. Species characterized as a pathogenic to oilseed rape plants, accounted for 17.3% of all colonies. Also on PDA with streptomycin, Sclerotinia sclerotorium was isolated in the greatest colony number.