Pruning of the vine

How to prune the vine

Studies carried out on vine pruning have established that this operation has a decisive effect on the vegetative and reproductive development of the plant. In fact, the quality and quantity of grapes in a vineyard will greatly depend on how the pruning will be carried out. The vine will be stronger if it has many leaves, but this will be detrimental to flower production. The fewer the number of buds left on a branch, the greater the development of the branches generated by the buds. The development of the clusters will be complementary to the branches that will carry them. The vertical branch will be used for the vegetative development of the plant. The horizontal or inclined one will favor fruiting. The bunch will develop and be born from the shoots that will grow on the vine shoots of one year, inserted on the wood of at least two.

Pruning of table and pergola vines

The pruning of the table vine will be carried out according to the type of grape that will be grown. Some vines will require a short-stemmed cultivation, other species a grid fence. In the latter case, we will proceed according to the trigemme principle and will be done from February to March. A fungicide treatment will be carried out at the end of winter. Another pruning operation will be carried out in the autumn-winter period when the plant begins its rest cycle. The pergola pruning causes the plant to be directed upwards until it reaches two meters in height. It requires the use of support poles that allow the plant to take root the different shoots. The latter will be made to grow freely. The following season, the excess shoots will be eliminated.

Pruning of the sapling vine

To obtain a sapling vine, pruning must begin in January or at the latest by the end of February, always and in any case coinciding with the period of the waning moon. The effect of pruning on the vine is to achieve a good balance between leaves and bunches. It is necessary to intervene on plants that have a maximum of two years of life. At each pruning operation, one or more branches must be left for each branch of the tree during the current year. Then one or three buds will be cut as a new fruit head. Finally, the branch of the previous year will be severed. The plant will have reached its equilibrium when the shoots stop the start of fruit ripening, without however inhibiting the ripening of the bunch. L’

Vine pruning period

As we have seen, the pruning of the vine, but for any other type of plant, is one of the basic operations for the health and success of fruiting. However, if the period is wrong, it would invalidate all the work done, as it would lead to the loss, by the plant, of such a quantity of nutritional substances as to cause it, in some cases, to die. Another problem caused by the incorrect period of pruning of the vine is the rapid drying of the buds or delayed budding; in both cases the damage would be enormous. Pruning early would mean exposing the buds to too hot a sun, while doing it too late would mean having the clusters still on the plant when the first cold weather arrives, damaging them. Obviously the period must vary according to the climatic zone of the vineyard; in warm areas it will be pruned towards the end of winter, while in areas with a colder climate at most the operation must be carried out in late autumn, shortly after harvesting.

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