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AUTHOR'S VARIETIES AND FORMS OF GRAPES

DESSERT

SEEDLESS

TECHNICAL

GALLERY

VITICULTURE

RESEARCH

BC7

Origin: Gift to Zaporozhye x Seedless black winter hardy (22-11)

Economic characteristics:

Variety of grapes of early ripening period. Maturation in the Kiev region occurs on August 15-20. The flower is bisexual. There are no peas. Bunches are loose. Berries are large, oval, white, weighing 8-10 grams. The flesh is dense, crispy. The taste of berries is harmonious. Sugar is high. Bunch weighing 0.6 - 1.2 kg.

Variety of grapes hangs well on the bush for two months. The growth force of the hybrid form of grapes is high, the fertility of 3-4 bunches per shoot. The ripening of the vine is early.

Resistance to diseases is increased, at the level of 2.5 - 3.0 points on the susceptibility scale. Three treatments against diseases and pests are enough. Frost resistance about -28, -29 gr.s.

Ampelographic description:

The top of the young shoot - wide open, white-green. The first young leaves are yellow-green, has a weak arachnoid pubescence.

      

Leaf - medium, rounded or pentagonal, pentagonal, medium-dissected, green or light green. The pubescence is weak, felt.

Petiolate notch open or slightly overlapping, without strong overlap, V - shaped. One-year-old mature shoot is light brown with light knots. The surface is smooth, without pubescence.

      

Bunch - large, elegant, medium density. The cluster often has one or two wings. Berry - large and very large, oval, white or white-green, with a small spring. The pulp is dense, crispy, medium-juicy.

The taste is simple, harmonious. Sugar is high.

The table shows the results of field studies of the variety on PSP in 2016-2020

№ indicator

Indicator

Value

  1.  

Yield, t / ha

12,2

  1.  

Average yield from the bush, kg

11,2

  1.  

The average weight of 100 berries, g

670

  1.  

The average weight of the bunch, g

520

  1.  

Berry peas,%

2

  1.  

Cracking of berries,%

1

  1.  

Shelf life during storage, days

30

  1.  

Juice yield,%

63

  1.  

The content of diglycosides, mg / dm3

2,4

  1.  

Acid content in berries, g / l

4,5

  1.  

Sugar content of berry juice,%

16,1

  1.  

Resistance to pathogens, score (1-9):  сіра гниль

7

  1.  

Resistance to pathogens, score (1-9):  mildew

7

  1.  

Resistance to pathogens, score (1-9): powdery mildew

7

  1.  

Pest resistance, score (1-9): leaf curler

7

  1.  

Pest resistance, score (1-9): phylloxera

5

  1.  

The period from the beginning of bud burst

to consumer (technical) maturity, days

110

  1.  

Drought resistance, score(1-9)

7

  1.  

The level of freezing of the kidneys, score (1-9)

1

  1.  

The level of freezing of the vine, score (1-9)

1

  1.  

Maturity group

RM

  1.  

Direction of use

dessert

  1.  

Planting scheme

3х3

  1.  

Transportability, score (1-9)

7

  1.  

Tasting assessment, score (1-9)

7,7

Calculation formula of the genotype of grapes Bila Tserkva:

Сalculation formula of the genotype of grapes of Batkivshchyna

Calculation formula of the genotype of the hybrid form of grapes Cyborgam DAP

Kuzma (Gift to Zaporozhye x Winter-hardy Kishmish, 31-11): A hybrid form of grapes of the middle ripening period. The beginning of ripening in the Kiev region: September 15-20, full maturity September 25-30.

The hybrid form has flower functional - female. The bunches are large and very large, weighing 700 - 1200 grams. The berries are large, 12 - 14 grams, individual up to 20 grams. The berries are oval, white or yellow-green.

The pulp is firm, crispy, with high sugar (18-20%). The taste is harmonious. When fully ripe, the berries have a slight astringency, which only adds piquancy to the taste. Fruitfulness - 2 clusters per shoot.

The growth force of the shoots is great. Early ripening of the vine, for the entire length of the shoot. Disease resistance is increased. Approximately 2.5-3.0 on the susceptibility scale. Frost resistance according to the parental couple is about - 27, - 28 degrees Celsius, it is necessary to check.

This season I will freeze the vine to determine frost resistance. Stores very well on the bush after ripening. Kuzma grapes are stored until the New Year without damage. The form was selected to the elite in 2017.

РThe working name is Kuzma. The shape of the grapes is dedicated to the blessed memory of Andrey Kuzmenko.

The calculated formula of the genotype of grapes Kuzma

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