The paper is concerned with investigations on the possibility of producing grape-based alcoholic drinks from newly created grapevine varieties, such as Riesling Italian, Seedling 14660, Muscat Hamburg and Godominka. All chemical parameters for produced grape brandies, marc brandies and wine distillates complied with standards of quality as prescribed by the Regulations for quality of alcoholic drinks.

The recommended cultivars for top quality wines Riesling in the vineyards of Grocka is in full crop. It was grafted on Kober 5 BB stock and planted on the soil type cambysoil. The content of total nitrogen is 0.1-0.15%. Supply of easily available potassium varies between 12.3-15 mg/100g a.d.s.², i.e. phosphorus 0.4-3.6 mg/100g a.d.s. in layer up to 40 cm.