RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is a vigorous bush with vertical shoot growth. Medium-sized clusters consist of round white berries. The variety has high bud fertility at the base of the shoots and consistently forms ovaries, reaching a yield of 100–110 c/ha with a sugar content of 22–24% and acidity of 9.5 g/l.
The plant is characterized by increased resistance to downy mildew, powdery mildew, and gray mold, as well as frost resistance down to -19...-22°C, but it is susceptible to rotbrenner. Cultivation on open, well-ventilated slopes is recommended. Wine from this variety is characterized as light and fruity, resembling Riesling in profile.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ Prinzipal*DE 771
Records are sourced from official registry publications. Data sources and legal status
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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
DR SZ.LÁSZLÓ NAGY
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Prima, Prima N, Primaticcio, Primavera T, Prime, Primitivo, Primitivo Di Gioia, Primitivo N., Primus, Primus B., Prior, Prista, Procanico, Prodest, Proimo lefko Parou B, Promissão B, Proniko N, Prosecco, Provatina N, Pršljivka