Microorganisms. Actinomycetes strains
isolated from three soil samples, taken in February 2000 from different regions of Livingston Island, Antarctica were the objects of this study. The test microorganisms listed in Table 1 were used to screen antibacterial activity of actinomycetes strains. The phytopathogenic test-bacteria were naturally isolates from ill plants and belonged to the collection of Plant
Protection Institute – Kostinbrod