IFG Twenty-one
ActiveHybrids between Vitis vinifera and Vitis labrusca
David W.Cain
Navsel 4
ActiveHybrids between Vitis vinifera and Vitis labrusca · Fruit crops · bred by SCHARCHAR KARNIEL
also searched as: навсел 4
Variety description
10 August 2026
The variety is mid-season and is distinguished by strong vine growth vigor with semi-pendulous shoots. Fruitfulness is characterized as good, with a fruitfulness coefficient of 1.3. Semi-long pruning to 6–8 buds is recommended.
The berries are seedless, have a size of more than 22 mm, and have a thin skin. The sugar content of the fruit is at least 19° Brix. To improve the quality of the clusters and the pollination process, specific canopy management and the use of growth regulators may be required.
Sources6
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Countries of admission
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.
Variety registered as early as 4 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
Variety in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Breeder
- Scharchar Karniel. 8 Developed the variety
- Applicant
- Special New Fruit Licensing Limited. 18 Submitted the application to the register
- Rights holder
- Special New Fruit Licensing Limited. 18 Holds the rights to the variety
- Maintainer
- BERCKHOLTZ HEINEBERG, Enrique 32 Responsible for variety maintenance
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
European Union
№ 20121179
Active
- Application filed 31 May 2012
- Registered 18 May 2020
- Currently active indefinite in the register
More 4 records protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Other varieties: Hybrids between Vitis vinifera and Vitis labrusca
IFG Twenty-three
ActiveHybrids between Vitis vinifera and Vitis labrusca
David W.Cain
IFG Nineteen
ActiveHybrids between Vitis vinifera and Vitis labrusca
David W.Cain
IFG Twenty Two
ActiveHybrids between Vitis vinifera and Vitis labrusca
David W.Cain
Nearby in the species list Grapevit 4, IFG Nineteen, IFG Twelve, IFG Twenty, IFG Twenty-one, IFG Twenty-three, IFG Twenty Two, Itumtwenty, Navgen 4, Navgene 4, Navselect 4, Sunny Heart