- Authors: Vierul, Moldova
- Appointment: technical
- Berry color: dark blue with a strong prune bloom
- Taste: simple
- With bones: Yes
- Ripening period: late
- Ripening period, days: 165
- Frost resistance, ° C: -28
- Name synonyms: VI-39-71, Zhuravel VI-39-71
- Bunch weight, g: 250
The Amur grape variety is very popular among gardeners. It also has other names: VI-39-71, Zhuravel VI-39-71. This technical variety has a late ripening period. It is considered quite resistant to temperature extremes, to various diseases and pest attacks.
Breeding history
Variety Amur was bred at the Moldavian Research Institute of Life Sciences by crossing a seedling (Nimrang x Pamyat Michurina) with an interspecific hybrid Datie de Saint Valier. The resulting variety turned out to be quite fruitful in the end, and later it received a high tasting rating (7.5 points).
Description
Vine bushes of this variety have large leaf blades of a round or slightly oval shape. Most often they are three-lobed, wavy. Their lower part has a light green color, dense pubescence on the leaves. The flowers are bisexual.
Ripening period
The period that lasts from the beginning of budding and until the full ripeness of the fruit is 165 days with the sum of active temperatures of 3000 degrees. The variety will begin to enter the fruiting process 3 years after planting, but a full harvest is obtained only in the fifth year. This type of grape is characterized by significant vigor of growth. Ripe berries will be fully ready for harvest in the second half of October.
Bunches
The clusters on such grape bushes are of medium size, their shape is conical, but sometimes winged ones are also found. The total weight of one such branch with berries is approximately 250-300 grams. All clusters are quite dense.
Berries
Ripe fruits weigh only 3-4 grams. Their colors are blue. On ripe berries, you can see a prune bloom. They have a soft and dense, juicy pulp.
Taste
This grape variety has a simple flavor. It is perfect both for fresh consumption and for making homemade wines, jams and other products.
Yield
The Amur variety has a high yield level. One hectare can be harvested about 160-175 centners of ripe fruits, so it is often used for planting on an industrial scale for the production of various red wines.
Growing features
In order for such grape bushes to fully develop and grow, special attention should be paid to the growing process, including choosing the right place for planting, and making the necessary fertilizing in a timely manner.
Landing
Before planting young grape seedlings, it is worth choosing a suitable place for this. For this variety, slightly acidic or neutral soils will be the best option.
Planting holes should be prepared approximately one month before planting. Their depth should be at least 60 centimeters. At the same time, a drainage layer is necessarily poured onto the bottom, then soil from river sand, peat and humus is immersed.
It is also recommended to add a little superphosphate and wood ash to the soil. Before planting the material, a small hole should be made where the vegetation with the root system will be placed.
Pollination
A dioecious grape variety will not need artificial pollination. Bees, which are attracted by the aroma of inflorescences, can also cope with this task.
Pruning
In order for the plant to develop normally, it is necessary to periodically prune. They are held every year. In the process of such treatments, all diseased and dead processes are removed from the plants. This procedure also allows you to give the bush the correct shape. It should be remembered that no pruning is necessary for the first year after planting.
Frost resistance and the need for shelter
The Amur grape variety belongs to frost-resistant varieties. It can withstand quite sharp temperature drops up to –28 degrees. However, he will still need shelter before the onset of the winter period.
Diseases and pests
The Amur variety is considered quite resistant to a variety of diseases and pests, but at the same time grape bushes can still be affected by fungal infections, most often they appear due to excessive moisture.
And also sometimes this variety can be affected by mildew. In this case, spots of white-gray plaque will appear on the leaf blades. To get rid of them, it will be necessary to carry out treatment with fungicides.
In addition, regular preventive treatments should be carried out. For this, you can also use all kinds of fungicides.
If a grape is exposed to any disease or insect, this always affects its appearance.
Storage
With prolonged storage of berries on the bushes, they can become much sweeter. When assembled, ripe fruits are best stored in wooden boxes, you can place them in a cellar, basement, or simply in a refrigerator. In addition, the fruit can easily tolerate transportation due to the presence of a dense skin on the surface.