Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. Common grape vine · Fruit crops · bred by Timothy P Sheehan, Sheehan Genetics LLC
also searched as: шигене 9
10 August 2026
The variety is seedless (kishmish) and early-ripening. In the conditions of Central California, it ripens in mid-July, ahead of the Thompson Seedless variety by approximately a week.
Berries are green, medium or large in size. The plant forms strong lignified shoots. The variety is intended for fresh consumption, suitable for commercial processing, transportation, and storage.
2 jurisdictions
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.
Variety registered as early as 5 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
breeder code R10V714
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 20080433
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 6 records protections in other jurisdictions are shown on the map above.
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.
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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
Timothy P.Sheehan
Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics Australia Pty Ltd
Vitis vinifera L. · Common grape vine
Nearby in the species list Sheegene-20, Sheegene-22, Sheegene 25, Sheegene 27, Sheegene 28, Sheegene 3, Sheegene 4, Sheegene 5, Sheegene 6, Sheegene-8, Shiraz, Shiroka melnishka loza, Shokoladnyi, Sibera, Siegerrebe, Silcher, SILVA VESMINA, Silvaner Roth, Silvanske cervene, Silvánske zelené