TY JOUR TI REVIEW OF THE CURRENT STATE AND EFFECTIVENESS OF MEASURES TO PROTECT PLANTINGS FROM ROOT SPONGES (HETEROBASIDION ANNOSUM (FR.) BREF.) KW Heterobasidion annosum (Fr.) Bref. KW pine KW phytopathology KW sanitary measures KW pathogen KW forest protection JO Forestry Engineering Journal AU Lykov, I.V. AU Maksimchuk, P.A. PY 2021 IS 11 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov