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Grapes Dvina


Grapes Dvina

Average leaf, round, five-blade, strongly dissected . The record sheet infundibular-grooved . The upper surface reticulate-wrinkled, without shine . Upper clippings deep and medium-sized, open, lyre-shaped with almost parallel sides andsharp bottom, rarely closed, elliptical lumen . Lower Middle clippings, open, lyre-shaped with almost parallel sides and bottom sharp, sometimes small, slit-shaped . Cherenkov recess open pinnatipartite with acute bottom . The Kinks at the ends of the blades narrow triangle . Kinks at the edge of the leaf bladetriangular-serrate . pubescence on the lower leaf surface is weak, bristly. light green petiole, midrib shorter than or equal to it . Autumn leaf color yellow . Flower hermaphrodite . Bunch average (length of 14 - 17 cm, width 11 - 13.0 cm), conical, medium density . berry average (length 12 - 14 mm width and - 13mm), round, black, with a mild waxy coating . The skin is thin . The flesh is juicy, colored . pleasant taste . Seeds in a berry one - four, usually two . The seed medium and small, elongated oval, brown . Grape Dvin refers to a wine varieties very late ripening . full maturitycomes at the end of September . The growing season from bud to full maturity - 168 days for a sum of active temperatures 3540 ° C . Bushes vigorous . Maturing shoots good (82%) . Productivity is high - 165 - 220 kg / ha . The average weight of bunches of 210 g . Percent productive shoots 63 . The number of clusters in theEscape has developed 0.7 on fertile - 1 . Frost high . Open wintering hives hardly damaged by frost minus 29 ° C . In a particularly harsh winter buds death is 28.6% . Resistance to most fungal Diseases and pests - at the level of Vitis vinifera varieties, to gray mold - high (degree of damage 2 points) . In the context of the Ararat valley in the Armenian SSR cultivated their own roots. Recommended Forming - bilateral cordon at a high trunk, without side shoots . The load on the bush 65 - 70 holes . Cut short by 3 - 4 buds . It prefers rich soil and south-western slopes up to 8 - 10 ° . Contains a percentage of the totalmass clusters: juice and pulp dense parts of 87.5, 7.7 skin, crests 3 seeds 1.8 . Sugar juice of berries - 22.9 - 25% at pH 7.5 - 8.3 g / l . used for preparation of dry red wine and dessert . dry wine tasting score 7.6 points, dessert - 7,8 points (eight point scale) . Leading signs of grape varieties:infundibular bad cut-grooved sheet with weak bristly hairs; conic bunch; round black berry with juicy medium-sized colored flesh; strongly tall shrub; very late ripening; increased resistance to botrytis; high frost resistance .

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Calculator for Culture Grapes

Reference-kg / m²
Weavinghectare
Results
10 - 22 kg.100 - 220 kg.10 - 22 tons

Seeding rate-gr. / m²
Weavinghectare
Results
2 - 3 gram0.2 - 0.3 kg.20 - 30 kg.

Seeding rate for planting-gr. / m²
Weavinghectare
Results
0.4 - 0.5 gram40 - 50 gram4 - 5 kg.

Herb-plants / m²
Weavinghectare
Results
40 - 55 pcs4.0 - 5.5 thous. pieces400 - 550 thous. pieces

Number of seeds per 1 gram-pcs
gramkg.ton
Results
3.3 - 4.2 thous. pieces3300 - 4200 thous. pieces33000 - 42000 thous. pieces

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