Grapes Oksana
Leaves large, round, five-blade, moderately dissected . The record sheet wavy . The upper surface of largebubble . Upper Middle clippings, closed, narrow-elliptic with clearance and a pointed bottom . Lower Middle clippings, open, pinnatipartite with almost parallel sides and a pointed bottom . Cherenkov recess closed with a spindle-shaped lumen and sharp bottom . The Kinks at the ends of the blades sharply triangular with a wide base andslightly convex sides . The Kinks on the edge of the large, triangular with a wide base, the transition to the dome-shaped . pubescence on the lower leaf surface bristly pubescence, Felt . Flower hermaphrodite . The clusters are large, conical, loose . Berry very large (7g), oblong, black with dark blue tint . Flesh fleshy . seeds inberry one or two . Grape Variety refers to the table varieties late ripening . The berries ripen in late September . The duration of the growing season from bud to full maturity of 150 days . The strength of growth of bushes large . Aging shoots satisfactory . Yield 100 kg / ha . According to the Zakarpattia OblastState Agricultural Experiment Station, on Ampelographical collection Riparia Gloire rootstock on de Montpellier (area feeding 3,5 × 1,2 m), yield grade Oksana per hectare was 123.2 when sugar n September 25, 18.4% . The average weight of bunches of 445 g . Percent of productive shoots 54 . The number of bunches to escape fledged 0.6 onfertile - 1.2 . It is characterized by very low winter hardiness. Requires the shelter of bushes in the winter . Grade strongly susceptible to bacterial canker disease . mildew, powdery mildew (degree of damage 4 points) botrytis (the degree of damage 3 - 4 points) . In the Odessa region Oksana cultivated on rootstock Riparia Rupestris × 101- 14 . Forming multi-arm, with fan . The load on the bush 30 - 35 holes . Trimming 8 - 10 holes . Sugar juice of berries during the harvest 14 - 15% at pH 7.4 g / l . transportability grade, according to the mechanical properties of berries, good load-crushing berries 1805, when separated from the stalk 483 g . Used for fresh consumptiona . Tasting of fresh grapes score 8.7 points . Grade Oksana requires improving breeding in connection with the weak winter hardiness and a significant lesion disease . It is recommended for cultivation in the southern regions of Odessa, Crimea, Kherson, Nikolaev regions . Leading signs of grape varieties: Large Medium dissected leafvery thick bristly pubescence pubescent; large bunch of loose; very large oblong black berry; strongly tall shrub; late ripening; high transportability .
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