Grapevine Rubin - Red Wine Grape, Mid-Season Ripening

Rubin is a hybrid red wine grape variety, bred at the end of the 40s in the Institute of Viticulture and Enology - town of Pleven by crossing the varieties Nebbiolo and Syrah. It was approved as a new variety by the State Variety Commission. It is recommended for the Southern and Eastern wine-growing regions.   A mid-ripening variety - first half of September. It develops well on hilly terrain with sufficiently deep, moderately rich soils. It has vigorous growth, good fertility and medium yield. The yield per decare is 1000 - 1200 kg. The grapes resist cracking and grey mould. After ripening it raisins and increases its sugar content. It contains 23-25 % sugars, and in favourable years the sugar content can reach up to 30 %.   The bunch is medium-sized (173 g), conical, moderately compact to compact, with one or two wings. The berries are small, spherical, blue-black, with an abundant waxy bloom. The skin is thin, tough, firm, resistant to cracking and rot, rich in colouring matter and tannin. The flesh is juicy and sweet, with a fresh and harmonious flavour.   It is used to produce high-quality dry, medium-sweet and sweet wines. They are distinguished by a deep dark red colour, extract and a good harmonious flavour, with nuances of blueberry, blackberry and violets. The wines have ageing potential.