The aim of the research was to expand genetic diversity spelt wheat by introgression material species Triticum turgidum subsp. dicoccum (Schrank ex Schübl.) Thell. and create on this basis new source material. Materials methods. study conducted during 2016–2022 in conditions Uman National University Horticulture, located zone Right-Bank Forest-Steppe Ukraine, subzone unstable moisture. winter v...