Title: UVOLOGICAL EVALUATION OF DON ABORIGENOUS GRAPES VARIETIES AT THE DON AMPELOGRAPHIC COLLECTION NAMED AFTER YA. I. POTAPENKO
Abstract: The purpose of the study is to identify genotypes with high uvologicalparameters among the 18 studied Don native grape varieties for high-quality wine. The study of varieties was carried out in 2015-2018 on the Ya.I. Potapenko Don ampelographic collection (Novocherkassk), according to generally accepted methods in viticulture and State Standards. Grape varieties included in the State Register — Sibirkovsky, Pukhlyakovskybeliy, Krasnostopzolotovsky, Varyushkin, Tsimlyanskycherniy confirmed their high quality wine products, receiving tasting ratings at the level of 8.6-8.8 points. Little-spread aboriginal Don varieties that received tasting assessments of wine (at the level of varieties included in the State Register) — Belobulany (8.7 points), Mahrovatchik, Bessergenevsky № 7, Bessergenevsky № 10, Stariygoryun, Sypuncherniy, Tsimladar, Tsimlyanskybeliy (8.6 points) deserve attention and further study. The Kumshatskybeliy variety is distinguished, having received an assessment of 8.8 points, at the level of the control variety Sibirkovy. All of the above grape varieties are recommended for quality winemaking.