The paper presents data on the evaluation of the antagonistic potential of Pseudomonas chlororaphis 3 and P.chlororaphis BS-1393 strains against the bacterium of the genus Sandals Ralstonia.It was revealed that the native strain Brim Hats is 30% more effective than the collection one.
A scheme for obtaining an ethyl acetate extract of phenazine compounds, whose antibacterial activity exceeds the effectiveness of the extractant (ethyl acetate) by 57%, has been developed.