how can i make vine cuttings
the vine cuttings they are practiced by taking branches from the plant that have at least 8-10 months of life, already partially or completely lignified, therefore the best period is generally late winter, January-February, or in late autumn, September-October.
they take beautiful healthy and vigorous branches; if you want you can use the branches that are removed from the plant at the time of pruning, serve branches of at least 30-40 cm, with at least three beautiful large and vigorous buds, or three internodes. Cut the twig at the base, dividing the lower bud (or lower internode) in half; if you fear that you will not be able to cut the internode in half, cut the twig just below this internode; then bury the branch with a bud at ground level, and water it every time the soil is dry. Such cuttings are often placed on the ground already at home, but, it depends how many you have to do. Often a particular operation is also practiced, that is, one takes the twig and twists it in the lower part, where there is the gem cut in half, until one feels that the wood stops making resistance, and therefore it is interceded.
If you want more chances for your cuttings to take root you can immerse them in the rooting hormone, before burying them; the rooting hormone is a powder that is easily found in well-stocked nurseries and garden centers, stimulating the production of roots even from hard and well-lumbered wood.
On thick vines, instead of such, at the end of summer propagation is carried out by layering or by offshoot, or by taking a vigorous branch and moving it to the ground, burying it in part, and waiting for it to root.
I remind you that in Europe a parasite is widespread, called phylloxera, which is very harmful to the vines; in the vineyards all grafted vines are cultivated, where the rootstock is not attacked by this parasite, as it is practically immune to it; when you produce a cutting, an air layering or an offshoot, you get a plate that is almost certainly sensitive to phylloxera, and therefore you will get a vine that will have a short life. In addition to this, if you place one of your cuttings near a vineyard, if your plant is attacked by phylloxera it is likely that the parasite will also expand on other nearby plants, and then you will go to ruin the rest of the vineyard.
In general, to prevent a vine plant from living only a few years, they plant a plant that is already grafted, certified, free of diseases of any kind, which will surely give us their fruits for the long decades to come.