Abstract
Five-year-old <i>Vitis vinifera</i> I., cv. Albariño vines from the cuttings of old vines and from <i>in vitro</i> propagation according to Ferro9s method (8) were compared. The vines were planted in soil, without grafting, and pruned to a Sylvoz system. Vines were grown under the same weather conditions. Several qualitative and quantitative parameters of different organs were studied at different stages of the vegetative cycle. Plants from <i>in vitro</i> propagation (as opposed to the plants produced from cuttings) had marked juvenile characteristics: high density of erect hairs, strong anthocyanin coloration, leaves with deep sinuses and very low and even non-existent fertility both due to the number and to the weight of the cluster.
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