Abstract
The article presents research data on the de-pendence between the yield and quality of grapes and shoot load. The studies were car-ried out at the All-Russian Research Institute of Viticulture and Winemaking named after Ya.I. Potapenko, Novocherkassk, Rostov re-gion. On the root-own vineyards of the Per-venets Magaracha variety tolerant to phyllox-era, the following load rates were studied: 30; 35; 40; 45 shoots per bush. For two years of research, the maximum yield was obtained in plantations with a load of 45 shoots per plant: in 2019 - 23.2; in 2020 - 14.7 t / ha with the mass concentration of sugars in berry juice 183 and 170 g / dm3, respectively. The best indicators of the quality of grapes were marked in the variant with the minimum load of shoots in the experiment: the mass concen-tration of sugars in berry juice was 196 g / dm3 in 2019 and 180 g / dm3 in 2020; the concentration of titratable acids was 7.6 and 8.8 g / dm3, respectively.
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