The investigations on ornamental pot-plants of 53 taxa belonging to 38 species, 23 genera, and 8 families were carried out in 1996–2001. The rhizosphere of these plants was investigated, and the microbiological analysis on leaf samples of injured plants was performed. Eight species of the Pythium Pringsh. fungi were isolated; 6 of them were detected for the first time in Lithuania.
Keywords: pot-plants, rhizosphere, plant pathogens, Pythium.