Blending wine - this is how you prune grapevines

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The vine at the house or in the garden is becoming popular. No wonder, because there are not many plants that are so decorative and at the same time still bear delicious fruit. The best part: Grapevines grow fast and willing.

The cut is not complicated once you have dealt with the basics.
The grapevine at the house

The grapevine at the house is usually to grow along a trellis, which gets at regular intervals horizontal floors. For the vine to grow this trellis evenly, it must be educated accordingly:

  • Basically, a vine is first set up, and its base is traditionally pulled along a dead straight line. This "dead straight" alignment of the center of the vine is called cordon education, from the French "corde" = string.
  • The newly planted vine does not immediately grow along the trellis but spreads only when the stem has grown about a meter in height. In the beginning, the main thing is that the cane grows, straight up, until its shoots are allowed to occupy the trellis. This phase is called the stick building phase or the education phase.
  • The basic form is determined, the grapevine should do nothing but grow vigorously. Therefore, the wine should not be allowed to start many grapes during this time - even if the children lurk so eager on their own grapes.

In order for the vine to grow rapidly, you must not allow it more than one grape per fruit-bearing shoot. All other grape varieties are removed immediately after flowering. If you follow this procedure, the wine will fill in the intended area much faster than a plant that had to feed many grapes at the same time as it grew. How long you can grow the stick straight up the trellis is more to your liking: You can use a trunk of only 50 cm, but that should be the least. You can also pull the trunk a bit higher.

In any case, this strain, similar to a tomato plant, develops side shoots on the green shoot of the leaf axils. As long as you still want to pull up the trunk, you sting them out, so you tweak or break them directly at the base. And immediately, if they show themselves. If you cut these shoots only in winter, the vine will keep open cuts on the trunk, which it could no longer close.

  • If the trunk has reached a thickness of about one centimeter in the desired trunk height, the first winter cut is made in February or March, which serves to plant the lateral shoots. They now cut the lignified shoot back to the desired trunk height (usually around 1 m), where it should be just one centimeter thick. It is possible that the stick is bleeding at this interface for a short time, because the juice flow is already starting again, which is normal.

  • At the height of the first floor wire, the trunk should have eyes, from which now grow the shoots that you use as the basis of the first floor. You must take good care not to damage these shoots, they should be tethered. Then they are allowed to grow straight up until they are laid on the side floors of the trellis next spring.

  • You can not use all other shoots on the trunk yet. So they are immediately broken out again in the green state. If it is strong enough, the shoot is fixed on the floor. From this side shoot you can now shoot shoots upwards at regular intervals.

  • Only when you have your floor so that it fills the entire first floor with strong growth, go to build the second floor exactly as described. If you insist that your grapevine grows very evenly on the trellis, you would have to deal with the so-called spigot cut.

The constant pruning

Of course, if your cane has taken its place by design, it still needs to be pruned further to keep it healthy and bear beautiful fruit:

  • From now on, the vine gets a cut in winter to spring (February to March). The goal of this cut is to establish a balanced relationship between growth and fertility.

  • You can influence this ratio quite in your favor, which basically applies: The more you cut back, the more the stick will grow, but then the fewer grapes you will have.
  • This is because a vine always sets the flower buds for the next year in the summer before it. If you cut a lot in the spring, you are cutting more and more of the flower buds, which could become flowers and then grapes. On the other hand, the stick naturally has more power to grow.

  • Therefore, you can encourage an old vine to regrow, cutting it back hard, and slow down a young vine by cutting it as little as possible and letting it bear much fruit.
  • Otherwise, you can not make a lot of mistakes when pruning - as long as you do not cut the vine off its roots, it will cope with whatever you do to it with the pair of scissors.

Foliage on the grapevine

The grapevine wants to be cared for a bit in summer. These maintenance work is referred to as vines work by the winemakers.

  • So that the vines thrive well, you need a lot of light, especially sun, which also brings warmth, and lots of air. Therefore, all shoots that grow backwards or downwards are removed.
  • Also, all too close shoots or shoots that go in front of him, should be broken. This can happen right after the expulsion in May. This is also important because too dense foliage, especially where grapes develop, significantly increases the risk of fungal infection.

  • You should also pay attention to an even distribution of shoots on the trellis. For this, all green shoots that do not grow into the trellis by themselves and become stuck, plugged in or attached. This way you can also prevent wind breaks caused by wind.
  • If a shoot is too long, it can always be cut about ten leaves over the last grape neck, then he still has enough leaves to produce enough sugar for the grape.

  • A shoot becomes too long whenever it threatens to grow into the next floor of the trellis.
  • If the berries are about to mature, you can cut them free so they get as much sun as possible. This is also a protection against fungal diseases.

  • Of course you can also protect your grapevines with nets from hungry birds, if you attach great importance to the harvest. Or you can look forward to this appetite of many species of birds that will be delighted to visit your garden during the harvest season.

You have no wall with trellis or no garden at all? Then you can also pull your grapevine on a trellis in the garden or in a bucket on a balcony. The structure of the stick is then according to the above instructions.

Video Board: World of Wine: Pruning grapevines.

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