2024 Author: Beatrice Philips | [email protected]. Last modified: 2024-01-18 12:09
It is necessary to prune the grapes so that they bear fruit abundantly every year . If you abandon this procedure, then the bushes, growing chaotically, can finally run wild, and without proper care they will die: the weather is changeable, and pests are always nearby.
Appointment
Autumn pruning makes it possible to preserve all the nutrients for wintering, to prevent thin shoots from freezing that did not have time to stiffen . The fact is that the freezing of immature shoots makes any bush, including such a culture as grapes, vulnerable to a cold snap - it is not able to protect itself from a sharp change in weather, which is often observed in the off-season. In addition, dead shoots open the way for pathogens, fungi and mold, affecting younger shoots that did not have time to gain strength, from which this microflora is then transferred to older ones, which are already ready for wintering. If you cut off everything unnecessary, and close the places of the cuts with paraffin, wax or garden varnish, then access to all these pests is blocked.
The only requirement is that autumn pruning is performed after leaf fall: by the time it starts and the foliage turns yellow, the bush will have time to pick up all the organic matter that it needs for wintering.
Timing
Pruning in the fall is done in the northern regions, including the Urals, in mid or late September . The temperature in the north after August, including most of Siberia and the Far East, contributes to night frosts that the grapes, if the foliage were still there, would not survive. In the regions of the Volga region, Altai Territory and central Russia, pruning is postponed to mid or late October. As an example, the Republic of Bashkiria. The southern regions, for example the Rostov region, allow the procedure to be carried out in November. Often, the leaves fall from the vineyard at the end of the named month. For example, such a picture is observed in Sochi, on the coast of the Caspian Sea.
Pruning is done before covering the bushes .… Covering the vineyard for the winter is important in a harsh winter: cooling below -20 and frequent icy winds will lead to freezing out of bushes . To prevent freezing, grape bushes can be grown in greenhouse conditions, however, at a temperature of -20 … -50, covering material may be required here as well. Vineyard pruning aimed at sanitary care (removal of diseased, diseased and dried branches) is carried out at any time, ideally immediately upon detection of non-viable branches. After harvesting, you can also cut off the tops and secondary shoots, the so-called. stepchildren growing in the middle of the node and directed away from the main branches. Circumcision time is predominantly evening, especially in summer: the heat of the day should end. After cutting, the vineyard is watered, if necessary, a small top dressing is done.
Cutting off excess tops, which have stopped growing and absorb moisture and nutrients in vain, is done at the fruiting stage: this is necessary so that the formed clusters grow up and mature faster.
Features of the structure of grapes
Let's find out how the grape bush works, starting from the lowest zone:
- deep roots (main and lateral);
- crossing (the so-called underground stem);
- near-surface roots (flow into the stem), collecting moisture from the dew that falls on the ground in the morning;
- basal rosette (transition to the main stem);
- itself, in fact, the main stem - it is the base of the bush;
- branching for lateral stems (main node);
- accordingly, the side stems themselves.
From the lateral stems, which are skeletal, branch off, as on a tree, lateral branches of the second order. The structure of the vine is such that one year of growth, development - one order of branches. Everything that is superfluous that interferes with the development of the main above-ground part of the bush is mercilessly cut off - including the sick, the affected and the underdeveloped. This is the main secret of a plentiful, high quality harvest.
The vine is designed in such a way that it grows even in difficult conditions. It is possible that wild grapes appear on the rocks, where a fertile layer - sedimentary crushed rocks, flavored with organic humus - fill large cracks, and if a grape seed gets there (for example, birds eat and digest it, while the seed embryos remain alive), then it germinates, puts down roots and goes into these cracks, receiving moisture from there, from a considerable depth (which seeps there during rains). " Cultivated" varieties, of course, are unlikely to grow in the rock, and if they do, they will not give an abundant harvest - not the right conditions.
However, the vineyard is able to survive even in a drought lasting two to three weeks: the roots go into the soil to a depth of up to a layer of clay, tens of centimeters, where they can find the minimum, vital amount of moisture. Nevertheless, watering the grapes is still necessary.
How to carry out?
You need to cut grapes in the fall not at random, but according to a certain scheme. The simplest sequence for beginners is shown below.
In the first year
The first year - after planting the grape bush in the spring - is characterized by minimal pruning. This process is presented step-by-step by the steps listed below.
- Cut off all immature shoots (tops) that have not had time to develop . Most likely, they will not survive the coming winter.
- Do not perform any pruning if the bush was weak . For example, planted in places where it is absent.
- If the bush is grown from seed, it may grow slowly . In this situation, no stem trimming is performed.
- In other cases, grape shoots are cut to the 4th bud (counting from the branch point).
It is pointless to leave a larger number of buds: the shorter the shoot, the thicker it will become, which means it will better survive the period of regular frosts.
In the second year
Beginners who have mastered the basic laws of pruning shoots at the age of 1 year will change the pruning scheme in the second year. A two-year-old bush is pruned as follows. As a rule, each bush already has 4–5 healthy shoots. They are, so to speak, skeleton-forming: these main branches determine what kind of harvest the summer resident expects. It is necessary to shorten the new shoots that have grown over the summer to the 4th bud. As a result, several branches of the second order are formed. During this year, the vine will grow.
Do sanitary pruning of the bush regularly … Also, when forming its crown, cut off all shoots growing in some directions: this prevents the bush from thickening. Although the leaves and stems are arranged so as not to shade each other, the thickened vine grows chaotically, blocking the path to the bunches of direct sunlight. When the fruits do not receive direct sunlight, ripe grapes taste like grass, sweetness and aroma are almost absent, and there are fewer nutrients in it. In the second year, the fruiting of the vineyard is still low: at best, one or two clusters may appear on one vine.
In the third year
During autumn pruning, a three-year-old bush loses all its underdeveloped shoots - only a couple of the strongest ones remain. They become the main ones. The lowest one is cut to the 4th kidney, the upper one - to about the 8th. The yield of each bush is significantly increased.
On all branches of the third order, shortening should be done in the same way - as in yearlings. On the branches of the second - like the branches that are two years old.
The older the bush, the greater the likelihood of thickening, since there are more and more actively growing shoots, including annuals.
Follow-up care
The general principle, as practice shows, remains unchanged: each branch that has grown in one summer is shortened to the 4th bud, counting from the closest point of divergence . This makes it possible for the bush to develop comprehensively, while its crown repeats the direction of the canopy or trellis on which it grows up. If there are too many shoots, for example, when the vine has developed to the state of an adult plant and has nowhere to grow further (there is not enough space), then, starting from this year, it is considered old and needs to be regularly removed all old, outdated shoots, because new, intertwining with the old, would create a thickening. The "skeletal" - bearing - part cannot grow indefinitely. Then summer residents use a "replacement" sequence of actions.
For 1-2 years, a new shoot is allowed to grow. It is even better when the old vine sprouts a new shoot precisely from the adventitious roots, but from the common root . They are waiting for the new shoot to grow stronger and woody.
In the fall, this shoot is cut off along with the roots from the common (maternal) root, placed in a clay "chatterbox" with peat and other non-aggressive fertilizers.
They uproot the old vine with all its roots, check the soil where it grew, for the presence of remnants of roots. Often, an excavator is hired for removal, since the vine, like a tree, has deeply and reliably rooted in the soil - you need a bucket that digs up an old plant in one motion.
They throw the excavated soil back into the formed hole, dig a small hole in it, add 10-15 cm of sand to the bottom, plant a daughter shoot from an old vine, bury it, tamp it and water it once a day for several days so that it takes root. Such preparation gives a high probability of survival and adaptation of the new plant to the existing conditions. Especially valuable varieties, such as seedless varieties, are suitable for the production of raisins - for the fastest possible effect, they are propagated by cuttings.
Thus, it is possible to completely renew the varietal vineyard without completely losing it. Vineyards are incredibly resilient and adaptable - even a cutting with multiple buds can take root . The new vineyard is served according to the previously described scheme. If the renewal of the vineyard went right, then the daughter shoot, planted separately, in the first spring will develop rapidly and become an independent vine.
A neglected perennial vine, which has not been cut for several years, loses all its varietal qualities, turning into a wild one: growing randomly, it spends most of the nutrients to maintain young growth, and its yield is low, grapes in bunches have a sour taste, lack of sugars. Such a vineyard does harm to itself, shading a significant part of the older branches.
If the grape bush developed quite quickly, managed to grow its main branches, then pruning - if necessary - can be done not late, but early (according to the calendar) autumn. The advantage of this solution is obvious: you can finish early with the preparation of the vineyard, moving on to work with other crops and plantings.
- Autumn pruning is done in more favorable weather .
- The vine ceases to give nutrients to the continuing (until the onset of cold weather) growth of additional branches . All minerals supplied with water remain in its main branches.
The disadvantage of early pruning - before the onset of leaf fall, the branches did not have time to take from the leaves the organic substances necessary for successful wintering. This can adversely affect their winter hardiness.
The vine should not be allowed to sprout additional offshoots from the root zone unless you propagate it by replanting these branches to another location . The formation of a bush consists in the removal of all shoots and branches that negatively affect the yield.
Do not forget to fertilize regularly, do not neglect the means of protection from pests. If they do not want to use industrial chemicals, summer residents use proven folk remedies: boric acid, a solution of iodine or laundry soap, copper or iron sulfate.
For top dressing, it is preferable to use potash and phosphate fertilizers, which accelerate the growth and development of bushes
The vineyard, regardless of the number of years of life, is subjected to removal of "stepchildren" - regularly, the procedure can be performed every month, regardless of the season, while the bush continues to grow. Grassing young branches increases productivity, does not allow lateral branches to grow, which take up half of the nutrients. If you missed the removal of one or several "stepsons", and they subsequently grew into independent branches, got stronger and pruned according to the general (above) scheme, also getting rid of your own "stepchildren" of the second order, then nothing fatal will happen: the grape bushes will continue to give good harvest. However, if possible, try not to leave these "nodal" branches: the structure of these branches is such that they are easier to break off than a regular branch. "Stepson" is a rudiment, it is desirable to get rid of it.
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