Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
10 August 2026
The variety is a subject of ampelographic studies and genetic diversity analysis. There is scientific data assessing the susceptibility of this variety to diseases such as downy mildew (Plasmopara viticola) and powdery mildew (Erysiphe necator).
The name MARFAL is sometimes erroneously associated with the variety Maréchal Foch, however, it is an independent Spanish variety. Detailed agronomic characteristics, including exact ripening times or morphological growth parameters, are not presented in publicly available reference sources.
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.
№ 10900127
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
Maranto Joseph|Bakersfield, CA, US
Vitis vinifera L. · Common grape vine
LAND BAYERN WUERZBURG| Land Bayern, vertreten durch Bayerische Landesanstalt fuer Weinbau und Gartenbau - Abt. Weinbau und Oenologie -
Nearby in the species list MANCES DE TIBUS, Mancin, MANDO, MANDON, Manseng noir, Mansois, MANTO NEGRO, Manzoni Bianco, MAQUIAS, Mara Seedless, Mariensteiner, MARINA RION, Marmisson, Marquette, Marroo Seedless, Marsanne, Marselan, MARTINA, Maskta, Matilde