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Grapes Black Emerald


Description Grapes Black Emerald

One of the earliest American sidlissov - matures at about the same time with Pearlette or later, and 5 days earlier sidliss flame . Berry round or slightly oval, weighing 3 - 5 grams, flesh is firm, crisp, harmonioustaste, skin is not astringent, coal-black, covered with dense bloom wax . Bunches of conical shape, well made, up to 20 cm and weighing up to 500 g . The main problem varieties Black Emerald - tight bunch with lots of berries, but cluster of small, therefore permitted load 2 bunches of fruit to escape . Class without seeds 1 - 2,application of gibberellin responsive increase in the size of berries . Currently in the United States developed a technique for industrial use GC of the class, preliminary recommendations - from 2 to 3 mg / L in the phase of extension of inflorescences, which solves the problem of density clusters by pulling a comb and 20 mg / l in the flowering stage thatincreases the weight berries by 10 - 20% Very important deadlines processing - at a time when flowers are not less than 50% of the flowers, the earlier treatment leads to shattering of the ovaries . banding increases the weight berries by 15%, the combined use of GC and banding - up 40% . Own-rooted shrubs vigorous . Recommended ordinary agricultural technician with an average cropping6 - 8 kidneys . The yield is high, bush bilateral cordon is 50 bunches and more . However, if you overload the bushes yield loses sugar and delaying ripening grapes, and it also reduces the yield in the next season . Aging vine good . Grape Black Emerald weakly resistant to fungal diseases . Sometimes therecracking of berries with a strong moisturizing vineyard . Frost -23 * C .

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Berry
Description 3covered with a dense bloom wax
Formround or slightlyoval
Colorcharcoal black
Peelnot tart
Fleshdense, crunchy
Weight of 100 berries300 - 500 g
Bunches
Length20 cm
Formconical
The average weight of bunches500 g
Bush
Strength of growthvigorous
Vine maturesgood
Description
GroupSeedless ,
ManufacturerDavid Ramming and Ron Tarailo, USDA-ARS Horticulture Crops Laboratory in Fresno, CA
Stabilityweak to fungal diseases
SynonymA 12 - 137, FRESNO A 12 - 137
Maturationvery early
CrossingFRESNO A 69 - 190 X FRESNO C 84 - 116
Tasteharmonious
Frost23 * C
Country of originUSA
Features farming
Formingtwo-sided cordon
Pruning grapes6 - 8 kidneys
Productivity
During the growing seasonhigh
Numeric filters

20
Frost
23
° C
354
Weight
500
Grams
Maturation

average
early
is mid
late
of medium
very early
Color of the fruit

amber
black
blue
chartreuse
dark blue
dark pink
gold and white
golden
golden amber
golden yellow ,
green
green and white
greenish amber
greenish-pink
milky white
milky yellow
pale pink
pink
pink-red
purple
red
red and crimson
red-blue
red-violet
white