The article discusses the results of screening for antibacterial activity of Dendron plant extracts growing in humid subtropical zone of Western Georgia, Ajara. Phythopatogenic bacteria, an important, quarantinable microorganism Ralstonia solanacearum, giving economic loss, was selected as the test-culture. We used the strains collected in 2012-2014, which were isolated from different bacterial recipient plants (potato, tomato, pepper). 7 strong and 12 medium of antibacterial activity out of the studied 60 species have been identified.