Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
10 August 2026
The variety is a traditional relic identified during programs for the restoration of local grape gene pools in the regions of Castilla-La Mancha and Aragon. It belongs to technical (wine) varieties and is considered a promising resource for the adaptation of winemaking to climate change.
The plant possesses high vigor and energy even under conditions of limited irrigation. The variety belongs to white grapes; berries are distinguished by a high mass. Research has revealed the presence of specific aromatic precursors in the berries, including unique isomers, which can serve as a varietal marker.
The variety demonstrates adaptability to conditions of water stress and drought. Regarding pathogens, the variety shows a certain response to downy mildew, however, detailed data on the level of immunity or resistance are not provided in available publications.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 20150085
Records are sourced from official registry publications. Data sources and legal status
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Same species
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
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Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics LLC
Vitis vinifera L. · Common grape vine
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Donato Antonacci
Vitis vinifera L. · Common grape vine
AGRICULTURAL RESEARCH ORG
Nearby in the species list JAKOB GERHARDT 3, JAKOB GERHARDT 4, JAKOB GERHARDT BLANC, JAKOB GERHARDT IVOIRE, JAKOB GERHARDT NOIR, JAKOB GERHARDT ROUGE, Jakobsberger, Jaoumet, Japán Izabella, Japigia B, JET BLACK, Joha B, Johanniter, Jolly, Joubertin, Joybells, JPD 001, JRJ 1938, JUAN GARCIA, Jubilaeumsrebe