A large number of synthetic pesticides have been developed to combat phytopathogenic bacteria and fungi, but their use is economically unprofi table and harms the environment. The aim of this study was to evaluate the antagonistic properties of Bacillus velezensis HR13 bacteria in relation to cultures of phytopathogenic bacteria and fungi, as well as the ability to produce cyclic lipopeptides, which have antimicrobial activity. It is shown that strain B.
