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The polyphasic taxonomic analysis of the strain-antagonist of phytopathogenic bacteria and micromycetes was carried. It was found that the combination of culture-morphological, physiological and biochemical properties allowed to attribute the strain to the group Bacillus subtilis. It was shown that fatty acids of the cell walls of the strain were represented mainly by branched derivatives of iso- and anti iso- C15:0 and C17:0 fatty acids (85%) which was typical for the Bacillus amyloliquefaciens species. After molecular genetic analysis of the nucleotide sequence of the 16S rRNA gene and studying the profile of polymorphic nucleotides the strain was attributed to subspecies Bacillus amyloliquefaciens subsp. plantarum.