RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Variety description
10 August 2026
The variety has moderate vigor. Leaves are medium-sized, rounded, predominantly 5-lobed, and funnel-shaped. Young shoots have a light green, felted-pubescent crown.
The cluster is small or medium, usually cylindrical, compact or loose. Berries are medium-sized, rounded, greenish-white with a yellowish tint and small brown spots. The skin is thin but firm.
The variety possesses good resistance to low winter temperatures and often avoids spring frosts due to late bud burst. At the same time, it is susceptible to powdery mildew, gray mold, anthracnose, and the European grapevine moth.
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.
Also known as
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.
- Riesling B. primary QZ
- Riesling B QZ
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.
Variety in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Maintainer
- IT 2 124 Responsible for variety maintenance
Admission to trade
The variety is listed in the national registry — its seeds are authorized for sale in this country.
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QZ European Union Active
№ Riesling B*EL
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QZ European Union Active
№ Riesling B
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QZ European Union Active
№ Riesling B.
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QZ European Union Active
№ Riesling B.*IT 2
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: Grapevine
RS-3
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
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ActiveVitis L. · Grapevine
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CZ
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Nearby in the species list Ribol N, Ribolla, Ribolla gialla, Ribolla gialla B., Ribolla nera, Ribona, Ribuele, Ricoca T, Rieslaner, Riesling, Riesling de Rhin, Riesling de Rhin 7-2 Bl, Riesling gris, Riesling italian, Riesling Italian 15 Bl., Riesling Italian 3 Bl., Riesling italico, Riesling Italico B., Riesling renano, Riesling renano B.