RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety was obtained by complex interspecific crossing of the varieties Rakiš and Merlan, including genetic material from Seyve Villard 12375, Veltlínské červené rané, Merlot and Seibel 13666. The plant is characterized by weak to medium shoot vigor, the yield of the variety is medium to high with a high level of juice sugar content.
Leaves have a pentagonal shape and medium size. Bunches are medium to large in size, of medium density. Berries are small, round-shaped, with yellow-green skin. The variety shows medium resistance to berry shatter.
Within the PIWI group, the variety demonstrates resistance to powdery mildew, as well as moderate resistance to downy mildew and grey mold. Full berry maturity occurs in mid-October.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ Vesna*CZ 604
№ B160
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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 L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
David W.Cain
Vitis L. · Grapevine
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Vernaccia, Vernaccia di Oristano B., Vernaccia di San Gimignano B., Vernaccia nera grossa N., Vernaccia nera N., Vernaccina B., Vernatsch*, Vernatsch**, Vertzami N, Veruccese B., Vespaiola B., Vespolina N., Vialla, Victoria, Victoria B., Vidadillo, Vidal blanc, Vidiano B., Vidoc, Vien de Nus N.