Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. Common grape vine · Fruit crops
also searched as: алфонсе лавалле
10 August 2026
The variety is the result of crossing Muscat Hamburg and Kharistvala kolkhuri. The intended use is primarily table, also applied for the production of light wines and drying. The ripening period is 135–160 days with a sum of active temperatures of 2200–3200°C.
The plant is vigorous. Leaves are medium or large, 3- or 5-lobed, pubescent on the underside. Clusters are large, cylindroconical, with a mass of 600–1000 g. Berries are large, rounded, black-blue in color with a waxy bloom, with juicy crispy flesh and thick edible skin.
Yield reaches 110–160 c/ha. The variety has low resistance to downy mildew, powdery mildew, and grey mold, as well as weak frost resistance. Under adverse conditions, berries are prone to cracking. The taste is simple, sometimes with a light muscat aroma, sugar accumulation is slow.
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.
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics LLC
Vitis vinifera L. · Common grape vine
Vitis vinifera L. · Common grape vine
Hochschule Geisenheim University Institut für Pflanzenzüchtung Herrn Prof. Dr. Ernst Rühl
Vitis vinifera L. · Common grape vine
Nearby in the species list Aledo, ALEGRILLO NEGRO, Aleksandruli, ALFONSO LAVALLEE, Alibernet, Alicante Bouschet, Alicante Henri Bouschet, Aligoté, Alihote, Allegro, Alphonse Lavallée, Altesse, ALUTUS, Alva, Alval, Alvarinho, Alvarinho B, Alvina, Amandin, Ambulo Blanc