RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety was obtained by crossing hybrid forms Seibel 405 and Seibel 2007; it contains genes of Vitis vinifera, Vitis rupestris, and Vitis aestivalis. Bushes are medium-sized; the variety belongs to the medium or early ripening period and is characterized by high yield.
Clusters are medium-sized, compact, cylindrical in shape. Berries are small or medium, round, greenish-yellow in color. The skin is thin and firm, the pulp is mucous. Sugar content of the berries can reach 25% with an acidity of about 8.8 g/l.
The variety possesses good resistance to downy mildew, powdery mildew, and black rot, but is sensitive to phylloxera and anthracnose. Frost resistance, especially of the root system, is low; the variety is also extremely sensitive to lime in the soil.
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.
№ Rayon d'or B*FR
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Same species
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
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Vitis L. · Grapevine
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Vitis L. · Grapevine
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Vitis L. · Grapevine
Nearby in the species list Ranfol, Ranina, Ranno bez seme, Ráthay, Ratinho B, Ratiño de Gallega, Ravat 6, Ravat blanc, Ravat blanc B, Rayon d'or, Razaki B, Razaki Kavals B, Razaki mavro N, Razakiya byala, Razakiya cherna, Rdeča muškateljka, Rdeča žlahtnina, Rdeči muškat, Rdeči traminec, Rdeči Vrh