TY CONF TI ASSESSMENT OF THE FLUCTUATING ASYMMETRY OF SEMI-SIBERIAN OAK OFFSPRING ON FOREST-SEED PLANTATIONS IN THE TAMBOV REGION KW oak petiolate KW forest-seed plantations KW leaf plate asymmetry JO BIOLOGICAL AND FORESTRY AND ENVIRONMENTAL FUNDAMENTALS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCENOSES AU Kulakov, E.E. AU Kryukova, S.A. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov