TY CONF TI ANALYSIS OF ANTIOXIDANT ENZYME ACTIVITY IN SUGAR BEET LEAVES (BETA VULGARIS L.) IN CONDITIONS OF SALT STRESS KW Beta vulgaris L. KW sugar beet KW salt stress KW enzyme activity KW catalase KW ascorbate peroxidase KW superoxide dismutase JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Mazharina, A.A. AU Sorokoletova, A.S. AU Selivanova, N.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov