%0 Journal Article %T Theoretical prerequisites for the creation and some practical results of studying the birch gene pool in the Voronezh region %A Isakov, I.Y. %K introduction, ontogenesis, growth in height, self-pollination, open-pollination, B. manchurian (Betula mandshuri-ca (Regel) Nakai), B. poplar-leaved (Betula populifolia Marshall), B. elm-leaved (Betula ulmifolia Cham.) %J Forestry Engineering Journal %D 2024 %N 14 %P 14 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov