Grapes Risus
Wine grapes . production period is 150 days . Bushes medium vigor . Flower hermaphrodite . Bunch and cylindricalcylindric, winged, thick, average weight 220 g . berry average, round, greenish-white, turning pink when ripe . The skin is firm, elastic . The flesh is juicy . pleasant taste similar taste Riesling . In berry 2 - 3 seed medium size . fruiting factor 1.7 . Grade prone to overload the harvest . Yieldhigh (150 - 200 kg / ha) and stable when sugar grape juice 20 - 22% and acidity 9 - 11 g / l . vine ripen well . Winter hardiness is high resistance to frost up to -26 ° C, has a good regenerative capacity, can not be cultivated in a covering culture . resistant varieties of grapes to mildew Risus high, the maximum score of 2.0 points defeat,mildew - 3.0 points . Enough 1 - 2 of preventive treatments against fungal diseases . Scheme planting 3 x 1,5 m . Form bushes - double-arm cordon with trunk height of 1 m or fan-shaped . The load on the bush 40 - 50 holes, trimming 3 - 4 holes . Risus tolerant to phylloxera, can be cultivated in own-rooted culture in the new, free from the pestlands . Has a good affinity with the stock Riparia x Rupestris 101 - 14 . It is recommended to prepare the table and sparkling wines, produce high-quality cognac . Table wine varieties from Risus has a straw color, well developed bouquet of Riesling, fresh and harmonious taste . Tasting score - 7.8 points (8-point scale) .
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