Alex grapes

Alex grapes
The main characteristics of the variety:
  • Authors: I. A. Kostrikin, L. A. Maistrenko, S. I. Krasokhina (VNIIViV named after Ya.I. Potapenko)
  • Appointment: dining room
  • Berry color: white, matt white
  • Taste: harmonious
  • With bones: Yes
  • Ripening period: early
  • Ripening period, days: 120-125
  • Frost resistance, ° C: -24
  • Name synonyms: In memory of Kostrikin
  • Bunch weight, g: 692
View all specifications

Alexa is one of the hybrid varieties, bred for growing under certain conditions. All the best qualities and resistance to many unfavorable factors have been preserved.

Breeding history

Alex's new table variety was obtained by crossing two varieties: Vostorg and Biruintsa. The work was carried out at VNIIViV them. Ya. I. Potapenko by breeders I. A. Kostrikin, L. A. Maistrenko and S. I. Krasokhina. Approved for use since 2009. The Alex variety is also called in Memory of Kostrikin.

Geography of distribution

Grown in both northern and southwestern regions. Therefore, it grows throughout Russia.

Description

The bush of this variety is vigorous. Shoots bear fruit by 70%, ripen a little less. Leaves in the form of a large pentagon have a strong section and slight pubescence. The upper part of the leaf is dark green in color, which turns into a lighter one towards the lower part.

Ripening period

Alexa is considered an early variety. Ripens in 120-125 days. The berries reach full maturity at the end of summer. For the entire season, the sum of active temperatures was 2445 ° С.

Bunches

Dense large clusters have a cylindrical-conical shape, strewn with fruits. An average bunch weighs 692 grams, but can reach 1000 grams. In rare cases, it can be up to 1.8 kg.

Berries

Large fruits are oblong. The size of one berry is 32.5x26.5 mm. Weight 7-10 grams. Berries of white and dull white color contain no more than 3 seeds. Under the dense skin there is a crispy, but at the same time dense fleshy pulp.

Taste

The taste of Alex grapes is sweet, with a rich nutmeg aftertaste. The pulp contains 173 g / dm3 of sugar, 7.1 g / dm3 of acidity. As a percentage: sugar content 20%, acidity only 6%. During the tasting, this variety was highly rated by experts 8.8 points out of 10 possible.

Yield

Alexa belongs to a high-yielding variety and is able to bring 134 c / ha. To increase the yield, you need to monitor the number of shoots and leave no more than 35 pieces. The correct garter is important, which evenly distributes the load of heavy bunches.

The choice of planting material
Experienced gardeners recommend that beginners take cuttings and seedlings from those who made them from their vines and are professionally engaged in the production of such material.
You can evaluate the quality by cutting off a small amount of bark. When growing a bush from a cuttings and observing the rules of agricultural technology, survival rate is about 90%, the high quality of the plant is practically guaranteed. It is possible to control the development of grapes at all stages.
Subject to the rules of agricultural technology, survival rate is about 100%. The seedlings must be healthy. Pay attention to the absence of blisters, growths, or other signs of disease.

Growing features

The complexity of growing is average, but you need to know - Alexa develops a powerful root system and gives a strong, vigorous sprout. Therefore, when planting, you need to reckon that the roots branch quickly, and the shadow has a detrimental effect on the future harvest.

Landing

Compliance with the planting rules guarantees a high survival rate of seedlings. The distance between landings is 3x1.5 m:

  1. first you need to drive in a support peg, collect the earth around it with a mound;

  2. plant a seedling next to a mound and tie it to a support;

  3. gently distribute the roots over the mound and, gradually compacting, cover with earth;

  4. from the ground to the vaccination site should be 3 cm;

  5. add a small layer of humus around the seedling.

When planting in a trench, a wire is pulled between the bushes for a garter.

Landing features
In order for the vine to give a signal harvest after 3 years, it is necessary to take into account many factors - from the type of soil on the site to the nearby plants.

Pollination

Alexa has a positive quality: the flower of this variety is bisexual and does not need additional pollination.

Pruning

In the spring, you need to remove excess shoots. Leave 6-8 eyes during trimming. No more than 35-40 eyes should remain on the bush. In the summer, the tips are periodically pinched so that the vine does not stretch in length. Regular removal of stepchildren and leaves that create shade is important. In the fall, sanitary pruning is required: all damaged branches are removed.

Pruning is one of the main grape care procedures. Depending on the purpose of pruning and the type of plant, the appropriate type of formation is selected.

Watering

Alex grapes love moisture, but there should be no stagnant water. Before planting, you need to find out at what depth the groundwater passes. The first watering is done in mid-May before flowering. One bush requires 4 liters of water. The next watering is after the flowering period. The grapes are watered once a month, while the soil around the bushes is loosened.

Irrigation schemes
In order for the berries to be large and juicy, it is necessary to organize full watering and feeding. All standards must be adjusted for weather conditions and the rate of evaporation of the liquid.
With a frequent irrigation scheme, it is recommended to moisturize once every two weeks (that is, twice a month during flowering and the appearance of berries) so that the earth is saturated 50 cm deep so that the plant does not switch to superficial (dew) roots. This amount can be reduced by mulching the crop with straw.
With a rare irrigation scheme, having chosen the age and ripening period of the grapes, you can use the standards presented in the table in another article.

Top dressing

Fertilizer is applied once a year after grape harvest. Mineral fertilizers "Kemira" or "Solution" are used. You can independently mix compost with humus in proportions of 1: 1. Before applying top dressing around the bush, you need to dig the ground, add fertilizer and sprinkle it with soil.

Frost resistance and the need for shelter

The frost-resistant variety does not need shelter in many southern regions. Withstands temperature drop down to –25 ° С. In colder climates, the grapes are removed from the support and tied into a bunch. The bottom is covered with boards or plywood. Then the branches are tilted towards the soil. Burlap and film are placed on top, but you need to leave small holes for oxygen to enter. To prevent the upper shelter from being blown away by the wind, they cover the edges with earth.

Shelter for the winter is a very important step for the preservation of many grape varieties after wintering.

Diseases and pests

The thick skin of the fruit protects against diseases and pests. For the purpose of prophylaxis, the bushes are treated with Antrakol, Sharpey, Aliot twice a season. The first time, when it begins to bloom, again - during the appearance of ovaries.

Disease resistance in points:

  • root phylloxera - 4.5;

  • oidium - 3 (tolerance);

  • mildew - 2.5;

  • gray rot - 1 (high resistance);

  • leaf phylloxera - 1 (high resistance).

Storage

Berries tolerate transportation without harm to quality. Alexa can be stored for a long time (up to 2 months) without damage. For this it is appreciated by businessmen.

Review overview

Today, the Alex grape is not very common, but it has great potential.Most growers who cultivate this variety speak positively about it. We are glad that the grapes always ripen large, with dense pulp. It has a sweet taste with a slight sourness and an attractive cylindrical shape. Not damaged by wasps. Plus to Alex for a long shelf life and frost resistance, which is very important for a country like Russia.

General characteristics
Authors
I. A. Kostrikin, L. A. Maistrenko, S. I. Krasokhina (VNIIViV named after Ya.I. Potapenko)
Appeared when crossing
Biruintsa x Delight
Year of approval
2009
Name synonyms
In memory of Kostrikin
Appointment
dining room
Hybrid
No
Yield
134 c / ha
Transportability
Yes
Shelf life, days
long time
Bunches
Bunch shape
cylindro-conical
Density of the bunch
dense
Bunch weight, g
692
Berries
Berry color
white, matt white
With bones
Yes
Number of seeds, pcs.
2-3
Taste
harmonious
Sugar, g / dm³
173
Acidity, g / dm³
7,1
Skin
dense
Pulp
fleshy, dense, crispy
Berry shape
oblong
Berry weight, g
7-10 g
Berry size, mm
32.5x26.5 mm
Berry size
large
Tasting assessment, points
8,8
Growing
Frost resistance, ° C
-24
Flower type
bisexual
The power of growth
very vigorous
Landing scheme
3x1.5 mm
Percentage of fruitful shoots
70
Fruiting rate
0,7-0,9
Pruning vines, eyes
6-8
Eyes on the bush
40-35
The need for normalization
No
Difficulty growing
average
The need for shelter
No
Mildew resistance, points
2,5
Resistance to powdery mildew, points
3 points (tolerance)
Resistance to gray rot, points
1 point (high resistance)
Resistance to root phylloxera, points
4,5
Resistance to leaf phylloxera, points
1 point (high resistance)
Maturation
Ripening period, days
120-125
The sum of active temperatures from the beginning of budding to technological maturity, ° C
2445
Ripening period
early
Reviews
There are no reviews.
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