TY CONF TI THE STUDY OF TECHNOLOGICAL GROWING SCHEMES FOR CLONALLY PROPAGATED PLANTS OF ASPEN HIGHLY PRODUCTIVE FORMS KW micropropagation KW forest seedlings KW forest plantation JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Kulagin, D.V. AU Osipenko, N.V. AU Ostrikova, M.Y. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov