Hearing the phrase "seedless grapes", we can assume that the fruit will consist of one pulp. In fact, the berries of some seedless varieties may indeed not contain seeds, but in others they will be present in the form of tangible inclusions, rudiments of seeds. There are a large number of varieties of such berries, and some of them are described below.
General characteristics of the varieties
The bulk of the now existing seedless grape varieties were obtained by selection. Exceptions are varieties with the names Thompson (White Quiche) and Black Monucca. It was thanks to the crossing of these two plants that other varieties and hybrid forms were obtained.
Did you know? On the coins of ancient states, whose population was engaged in wine trade, grapes were usually depicted. The oldest Russian coin with such an image dates from the era of Catherine II. She was released specifically to award the pupils of the Smolny Institute of Noble Maidens.
Depending on the size of the seeds (inclusions), all varieties are divided into 4 classes:
- up to 6 mg;
- 6-10 mg;
- 10-14 mg;
- more than 14 mg.
Among the advantages of seedless varieties over others, it should be noted:
- exhibit an optimal ratio of acid to sugar;
- ideal for making raisins and fresh food;
- are pollinators for other varieties, hybrids;
- frost resistance;
- unpretentiousness;
- high productivity;
- worthy presentation;
- resistance to most ailments.
Seedless Grape Properties
Grapes - a berry that is very useful for humans. It contains many vitamins and minerals necessary for our body.
Important! Before use, the product must be thoroughly washed and sorted, removing spoiled berries.
Benefit
- The rich composition of the berry determines such useful properties:
- assistance in the restoration of strength after illness;
- mild calming effect;
- normalization of metabolic processes;
- the establishment of the gastrointestinal tract;
- elimination of renal and hepatic problems;
- prophylactic against stroke;
- has an antibacterial effect;
- restores hemoglobin level;
- saturates the body with useful substances.
Harm
- There are restrictions on the use of grapes for some diseases:
- pancreatitis
- ulcer;
- obesity;
- diabetes;
- gallbladder disease.
Best Seedless Grapes
The following are examples of the best white, red and black seedless grapes with a brief description.
Seedless White Grapes
White cultivars are owners of light green berries, whose color most likely arose due to mutations in the genes responsible for dark pigment.
These include:
- White raisins. The culture is early ripe, has juicy, large berries. Fruits in a bunch are not very densely arranged. The brush weighs 500–1200 g. The berry has a balanced sweet and sour taste. The ripening period is 140–160 days. Ideal for cultivation in central Russia. When grown, it is trimmed for 7-10 eyes.
- Marquis. The owner of round amber berries, tightly collected in clusters, weighing 300-600 g. One berry weighs 3-5 grams; her taste is tender, rich. It belongs to the high-yielding varieties from which excellent white wines are obtained. The culture is resistant to frost, fungal and putrefactive diseases. Brushes can be collected in mid-August.
- Ak kishmish. Low-calorie variety (69 kcal per 100 g). It can be grown only in the southern latitudes, because it does not like temperature jumps. The fruits ripen for a long time, 5-6 months. Its productivity is high, besides taste at the highest level.
The bunch consists of small, but densely located berries in large numbers. The brush weighs 190–220 g.
Seedless red grapes
In red varieties, in comparison with white varieties, there is an increased content of antioxidants and useful substances necessary for the proper functioning of the heart and maintaining hemoglobin levels.
- Ainset Siddis. It has bright red berries with an average weight of 2.3 g. They form a medium-dense bunch weighing 180–250 g. Sugar content is 19–21%. A feature of the variety is the strawberry flavor of the fruit. The culture is frost-resistant (-25 ... -27 ° C), which allows it to winter without shelter. The crop can be stored for 2-3 months due to the dense skin, not prone to cracking. Good for making semi-sweet wines.
- Kenadis. A mid-early representative of the culture with pink berries, weighing 2-3 g. One brush weighs 250-450 g. It is able to tolerate a decrease in temperature to -30 ° C. Fruits well, but needs to normalize the harvest, since with an abundance of brushes on the bush, not everyone has time to fully mature. Has immunity to fungal diseases. Subject to storage conditions, it can lie for about 4 months. It is used for fresh consumption and juice.
- Kishmish Radiant. A universal variety with large elongated berries, which have a rich pink color and a pronounced muscat aroma. From one bush, you can collect 8-14 kg of crop, provided that the plant is launched on a trellis. One bunch, on average, weighs 700-900 g, but there are copies of 1-1.5 kg. The preservation is high, the berries can lie until winter under suitable conditions. 60-70% of shoots are fruiting. Resistant to temperature fluctuations.
Seedless black grapes
Ruby red wines are obtained from black grapes, which are most useful for our body as a support agent.
- Black finger. Variety of sultanas with large, long, oblong, fleshy fruits. Its sugar content is more than 20%. The brush resembles an asymmetric cylinder in shape and weighs 600–2000 g. The color of the berries is from blue to dark purple, almost black. In length, the berry can reach 30 mm with a weight of 14 g. Fruits ripen in 155 days. Frost tolerance of the culture is relatively high (up to -20 ° C).
- Jisper Jigsaw. Appeared relatively recently. It has good frost resistance, thanks to which it is able to winter without shelter. Fruits well. One brush weighs 400 g, the berries in it are round and weigh 5 g each. They have a nutmeg taste.
- Sultana Black. Early ripe variety, giving a harvest at the end of August. It has a powerful vine with wide drooping foliage. The flowers are all unisexual and well pollinated. The clusters are loose, weighing 500-600 g. With proper care, you can get brushes weighing 2-3 kg. One berry draws on for 7–10 g. It has a fleshy, juicy, sweet pulp with plum notes. The peel is dense and slightly knits the taste.
Features of growing seedless grapes
Whatever the variety of grapes, its agricultural technology is always the same. This is timely watering, top dressing and the formation of a bush.
Did you know? In 2007, a group of archaeologists from different countries (Armenia, Ireland and the USA) discovered the oldest known winery in the Areni Cave in Armenia. A University of California radiocarbon analysis and botanical studies suggest that the plant dates from about 4000 BC. e.
Basic Variety Care Rules
The rules for seedless plant care are simple:
- Watering carried out with an interval of 4 days. Three buckets of water are consumed per bush. Three weeks before harvesting, irrigation is minimal.
- After watering loosening trunk circle, weed removal, soil mulching.
- Before buds appear first feeding (nitrogen fertilizers). During the formation of a cluster, replenishment is carried out by phosphorus-potassium complexes.
- On a young plant on 1 m vines need to leave a maximum of 12 side shoots. Usually, 8-12 ocelli are removed. You also need to regularly remove diseased, weak, dying shoots and leaves.
- In a harsh climate for wintering, the vine needs to be removed from its support, twisted into a plait, lay in a groove and sprinkle with earth. Cover with lapnikom or special covering material on top.
Breeding methods
The absence of seeds does not mean that the plant cannot reproduce. Like most other varieties, seedless plants propagate vegetatively: by cuttings, layering. These are the most convenient ways to grow crops. In addition, this technique allows you to save all varietal characteristics of the plant.The essence of the cuttings method is that a part of the ripened vine is harvested, which is cleaned of leaves and mustaches. At the right time, it is rooted in water, followed by planting in soil in separate containers. When the young plant is a little stronger, it is planted in a permanent place.
Important! An excess of minerals in the soil should not be allowed, as this will lead to a slowdown in the development of the bush.
For propagation by layering, you need to select a lateral vine, pinch its top, remove all the foliage and stepsons, and lay it in a trench dug sideways from the plant. On top of the vine is sprinkled with a nutrient mixture. Next year young shoots will appear from the eyes.
Possible growing difficulties
Seedless plant does not create special difficulties when grown, because it is characterized by unpretentiousness and good immunity. The only thing that can spoil the crop is the insects:
- wasp (they fly to the sweet smell of berries, to protect the bunches are placed in mesh bags, and the bushes are fumigated with smoke);
- spider mite (insecticides will help to drive off the pest);
- beetle larvae (the roots attack; when planting, you need to carefully dig the bed, manually sorting through each lump of land).
So, seedless grapes, which are very popular among lovers, are not only well-known raisins. There are many useful varieties among red and black grapes, which are no worse than raisins.Important! The ideal prophylactic against many misfortunes is Bordeaux fluid. She should process the bushes with the advent of spring.