TY JOUR TI STUDY OF THE DON AUTOCHTHONOUS GRAPE VARIETY TSIMLYANSKY BELYY IN THE CONDITIONS OF THE LOWER DON KW grapes (Vitis vinifera L.) KW ampelographic collection KW Don autochthonous grape variety KW terms of grape ripeness KW productivity KW harvest characteristics of grape KW wine characteristics JO Vestnik of Kazan State Agrarian University AU Naumova, L.G. AU Ganich, V.A. PY 2023 IS 18 PB Kazan state agrarian University