A method of genetic selection operated by humans in a plant or animal species, which consists in choosing the reproduction material according to their own the not that of their descendants.

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Winemakers that are attentive to the quality and originality of their vineyard can operate a mass selection of their vines to keep the particularities of the wines.

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This type of selection is used for those who wish to preserve the wine heritage of a very old vine or to improve the quality of a given grape variety.

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Wine growers choose their grafts by cutting branches of their finest vines to be grafted by us on the rootstock of their choice. This technique is not without risk, particularly with regard to protection against certain diseases, but it allows to maintain a high quality of production, especially when the vineyard has very old quality vines.