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Am. J. Enol. Vitic. 60:3:293-301 (2009)
Copyright © 2009 by the American Society for Enology and Viticulture.
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Biodiversity and Characterization of Twenty-two Vitis vinifera L. Cultivars in the Northwestern Iberian Peninsula

Pilar Gago1,*, José-Luis Santiago1, Susana Boso1, Virginia Alonso-Villaverde1, M. Stella Grando2 and M. Carmen Martínez1

1 Misión Biológica de Galicia, Consejo Superior de Investigaciones Científicas (CSIC), PO Box 28, 36080 Pontevedra, Spain, and 2 Istituto Agrario di San Michele all’Adige Research Center, via E. Mach 1, 38010 San Michele all’Adige, Italy.

Supplementary data is freely available with the online version of this article at www.ajevonline.org.

* Corresponding author (email: pgago{at}mbg.cesga.es)

Modern viticulture practices with vineyards planted to only one cultivar can contribute to the loss of grapevine diversity. The special geographic conditions in the northern and northwestern Iberian Peninsula make this region a refuge area where grapevine diversity is still high. The preservation of older traditional cultivars reduces the genetic erosion and allows the production of unique wines. A total of 22 older grapevine cultivars growing since 1993 at the grapevine collection located at the Misión Biológica de Galicia research station, Spain, are described in this work. The phenotypic and genetic variability have been evaluated through the ampelographic characteristics of the adult leaves and analysis of 10 microsatellite markers (VVS2, VVMD5, VVMD7, VVMD25, VVMD27, VVMD28, VVMD31, VVMD32, VrZAG62, and VrZAG79). Describing these older cultivars, some of which have not been described to date, and resolving the problem of synonyms and homonyms are necessary steps in their recovery.

Key words: grapevine cultivars, ampelography, molecular markers, genetic resources, synonymy






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