“…Nowadays spore-forming bacteria of genus Bacillus serve as an active principle of a broad spectrum of biopreparations applied to curb root rots of cucumber crops around the world, e.g. Biosubtilin (Biotech International Ltd., India), RhizoVital (ABiTEP GmbH, Germany), Serenade (AgroGuest, USA), Sonata (AgroGuest, USA), etc [14][15][16][17][18][19]. To improve competitive edge of phytoprotective biopreparations it is vital to incorporate into their formulas superactive microbial strains capable to carry out longterm stable control of phytopathogen development.…”