RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Variety description
10 August 2026
The variety is a natural mutation of the Chasselas variety, also known by the synonym Gutedel roter. It is a dual-purpose variety suitable for both fresh consumption and winemaking.
The plant belongs to early-ripening varieties; the growing season is approximately 129 days with an active temperature sum of 2600°C. The vines are characterized by medium vigor. The clusters are medium-sized, conical, and dense. The berries are medium to large, round, dark pink in color with a heavy waxy bloom, thin skin, and a sweet taste.
The variety is sensitive to unfavorable conditions: frost resistance ranges from -15 to -18°C, drought tolerance is low, and susceptibility to fungal diseases is also noted. The crop requires mandatory regular pruning and training on supports, as it is a vine.
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 in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Maintainer
- HR x 179 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
№ Plemenka Crvena*HR x
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Chasselas blanc, Chasselas blanck, Chasselas Cioutat B, Chasselas de Băneasa, Chasselas dorato B., Chasselas doré, Chasselas dore 20 Is, Chasselas doré B, Chasselas Muscat B, Chasselas rose, Chasselas rose Rs, Chasselas rouge, Chasselas roz, Chasselas Salsa B, Chasselas x Berlandieri 41B (41B), Chatus N., Chaudenet, Chaush, Chelva, Chenanson N