Pasichnyk, L., Huliaieva, H. and Patyka , M. 2021. The role of biologically active substances in the development of the pathological process of Pseudomonas syringae pv. atrofaciens. Problems of Environmental Biotechnology. 1 (Dec. 2021). DOI:https://doi.org/10.18372/2306-6407.1.16137.