TY CONF TI GENETIC RESOURCES OF INTRODUCED TREE SPECIES IN THE FOREST FUND OF BELARUS KW introduced species KW genetic resources KW selection KW DNA collection KW forest fund JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Sidor, A.I. AU Kagan, D.I. AU Fomin, E.A. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov