Abstract

Antagonistic activity of 20 isolates of non-phytopathogenic endophytic bacteria isolated from adult plants of lavender, thyme, St. John's wort and triticale against phytopathogenic microorganisms was studied in laboratory conditions. Nine isolates of endophytic bacteria antagonists of phytopathogens were selected. The ability of selected endophytic antagonist bacteria to protect spring wheat plants of the "Sudarynya" variety from diseases was evaluated in a small-plot experiment under conditions of a natural infectious background. According to the experimental results, endophytic bacteria Tr-2, D-2.1 and L-2 were proposed for research to create new phytoprotective biological preparations.

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