Cherry Revna: variety description and pollinators, cultivation and care with photo
Among fruit trees, Revna cherries are especially popular. For a long time, it grew exclusively in areas with a warm climate, because it is capricious in care and does not tolerate a lack of light and heat. It was with the aim of cultivating it in other areas that scientists bred varieties with special properties.
General information about the variety
This variety was bred with the help of another species - Bryansk pink cherry. Revna embodied the best qualities of the mother variety:
- The height of an adult tree is slightly less than 4 meters. It has a pyramidal shape. Revna is prone to intensive growth of shoots. Cherry leaves are dense, on a short handle.
- Medium sized fruit, averaging just over 4g each. They have a dark burgundy, almost black tint. The pulp is sweet, with a strong pleasant aroma.
- Begins to bear fruit in the fifth year of being in the open field, and in sufficient volume - only by the tenth year of life.
Advantages and disadvantages of Revna cherries
Revna cherry is perfect for growing in central Russia. The variety has good frost resistance, which allows it to be cultivated in areas with a temperate climate. Due to late flowering, this cherry variety is less susceptible to damage during spring frosts. Excessive sunlight is not dangerous for such trees.
The benefits of sweet cherries also include stable yields and resistance to most fungal diseases.
Fruits do not crack, keep good shape and high taste qualities for a long time. They endure transportation without damage, including over long distances. Color and flavor last up to 2 weeks when stored at 0 degrees.
Suitable for eating raw, as well as for freezing and preparing blanks. Preparations from this variety are tasty and sweet even with a small amount of sugar, since there is a lot of it in the fruits themselves.
Specific tree cultivation
Revna has some features that you need to consider when planting and leaving. Cherries do not tolerate low light, strong drafts, as well as the proximity of groundwater.
How to choose a seat
This variety needs a fair amount of light, so the place for planting cherries should be well lit. The tree grows well on loam and sandy loam. Soil acidity should be neutral.
Revna Cherry, like other varieties, prefers to grow on a slight elevation. There should also be no strong drafts.
Soil preparation
If the acidity of the soil is increased, then liming is carried out. From 600 to 800 g of lime are applied per 1 square meter, it is evenly scattered around the tree, then the earth is dug up. The first time such a procedure is carried out 6 months before planting seedlings in the ground. It contributes to a better exchange of water and air in the soil. When liming, it is impossible to simultaneously fertilize the plant with products containing nitrogen.
Seedling selection
The tree should have several strong shoots and a well-formed root system. It should show no visible damage.
If the seedling is not planted in the ground immediately or if it is to be transported, then the roots of the plant must be wrapped with a damp cloth.
Landing
It is preferable to plant cherries in the spring, in the second decade of April. The air temperature must be at least 0 degrees. Do it like this:
- Dig a hole about 40 cm deep.
- Mix soil with 2-3 buckets of compost. This mixture is poured in a slide to the bottom of the resulting pit.
- Place a peg of a suitable size in the hole to further support the seedling. It is advisable to put it on the north side so that it does not block the light of a growing tree.
- Place the seedling in a hole, straighten the roots and cover them with earth.
- Form a near-barrel circle.
- Pour the seedling with 10 liters of water.
Revna should be planted in such a way that the distance between it and other trees is at least 3 meters.
Pollinators
The variety is considered self-fertile, however, the yield under the condition of self-pollination is low. Without pollinators, the harvest will be only 5% of the possible.
Next to this species, it is better to plant 2-3 other varieties of cherries, in this case, the likelihood of a bountiful harvest in the future will be much higher.
The best pollinators for Revna cherries:
- Student.
- Tyutchevka.
- Radits.
- And the way.
Cherry blossoms in the second decade of May. During this period, the plant should be sprayed with a weak solution of honey to attract pollinating insects.
Tree care
Compliance with the rules of agricultural technology will help the tree to enjoy a good harvest.
Feeding cherries
Trees of this variety need additional fertilizer. Top dressing is carried out three times for the whole season. Revna cherries are fed by adding humus to the region of the near-stem circle 1 time in 2 years. When the kidneys swell, water with a solution of urea (8 g per 10 liters of water).
During the formation of fruits - a solution of superphosphate (30 g of the substance per 10 liters of conclusions, you can add 1 cup of wood ash). In the first month of autumn, they also fertilize with superphosphate, add fertilizers containing potassium (40 g of a substance per 1 square meter of humus when digging a trunk circle).
Irrigation
Despite the general unpretentiousness, sweet cherries need sufficient watering. The soil should be moist, but not excessively. Trees need watering 2-3 times a month. In the dry season, the number of waterings is increased up to 4 times. The seedling is watered directly into the near-stem circle.
Shallow grooves are dug around the perimeter of adult trees, into which water is poured.
Loosening the soil is carried out before moistening it. It is carried out to a depth of about 15 cm. It allows you to destroy weeds and break the crust formed on the ground. If the earth is covered with mulch, then it is removed before loosening, and returned to its place at the end of the procedure.
Pruning cherries
In the second year after planting in the ground, the first pruning is carried out.
Trimmed as follows:
- Young shoots are shortened by 2/3 of the total length.
- Broken or damaged branches should be removed without fail. Then pruning should be done annually, as this species is prone to intensive shoot growth.
Places where branches have been cut must be treated with garden pitch.
Preparing for winter
The Revna cherry variety tolerates winter well. Tree branches almost never freeze. However, the plant should still be prepared for the arrival of cold weather. In autumn, cherry trunks need to be whitened.
The trunk circle is covered with a sufficient layer of peat. This will help protect the root system from freezing. The lower part of the bole should be wrapped with a special mesh or any non-woven material. This will prevent rodents from injuring the trunk.
Pests and diseases of the variety
Harm to cherries can be caused not only by insects, but also by birds that peck at ripe fruits. To scare them away, a protective net is used, which covers the crown. Special repellers are available for sale.
You can also use improvised means for this purpose (empty plastic bottles, tinsel) that are hung on trees.
Revna is very resistant to most diseases characteristic of cherries. However, the tree is subject to some damage:
- Chlorotic ring spot. This disease can destroy up to 50% of the entire cherry crop. To prevent disease, weeds near the tree should be regularly removed, as well as aphids should be eliminated.
- Gum bleeding (gommosis). A non-infectious disease that manifests itself under adverse conditions. Drops of liquid appear at the cut site. With chronic homosis, the plant may die. To get rid of it, it is enough to immediately process the place where the branches were cut.
- Milky shine. The disease affects branches and leaves, yellow mushrooms grow on the bark over time. In the absence of proper treatment, the plant dies. It is urgent to remove the affected branches, treat the cut site with var or a solution of vitriol. If mushrooms have already appeared on the bark, then the tree is removed from the site.
To prevent diseases in the spring, before the buds swell, the plant is sprayed with a solution of copper sulfate. After flowering, the plant is sprayed with Bordeaux liquid. The second time such spraying is carried out after 2 weeks.
The most dangerous pests:
- Cherry elephant is a bug that affects both cherries and cherries equally. To prevent infection, you need to regularly dig up the soil in the near-stem circle. This helps to get rid of the larvae. Also, the tree is treated with suitable chemicals with insecticidal properties during the period of bud swelling.
- Cherry fly. To get rid of, treat the plants with a solution of decis. It is necessary to treat with insecticides at a temperature of + 18 degrees, then the procedure is repeated every 10 days. Stop processing 2 weeks before harvest.
- California scale insect. These insects are able to suck the juice from the shoots of a tree.
To avoid possible damage, you can spray cherries with universal preparations for all stone fruits. This is done before flowering and again, if necessary, after it.
Harvesting
Revna cherry is late-ripening. The fruits ripen late. The dense skin reliably protects the ripened fruits from damage, however, to preserve the crop and its possible transportation, it is better to remove them together with the stalk. It is desirable to store at a temperature not higher than 0 degrees in a container no more than 5 kg.
Not only the scientific description of the variety, but also numerous positive reviews from gardeners indicate that the Revna cherry is a good choice for the garden.
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