TY JOUR TI FEATURES OF THE SEASONAL DEVELOPMENT OF CONIFEROUS INTRODUCENTS IN THE ARBORETUM OF VSUFT OF VORONEZH KW phenological development KW seasonal growth KW KW introduced species KW phenotypic variability KW arboretum KW Voronezh KW forest-steppe zone JO Actual directions of scientific researches of the XXI century: theory and practice AU Chekmeneva, Y.V. AU Dorofeeva, V.D. AU Zamnusskaya, E.V. AU Vasil'eva, N.V. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov