RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety belongs to the mid-late or late group; the vegetation period ranges from 140 to 170 days with an active temperature sum of about 3200°С. Bushes are vigorous, and shoots ripen well. The variety requires long pruning of fruit canes to 10–16 buds.
Clusters are cylindrical-conical in shape, and their mass varies from 200–500 g to 2 kg. Berries are small, oval, yellow-green or amber-yellow in color with fleshy, firm pulp. It belongs to the 1st class of seedlessness; seeds are absent or represented by rudiments.
The variety is thermophilic, has medium winter hardiness (down to -19…-22°C), and requires winter covering. Resistance to downy mildew and powdery mildew is low; preventive protection is necessary. With fluctuations in humidity, berries are prone to cracking.
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.
№ Soultanina*EL
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
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Somesan, Sommarello, Sommarello Rosso N., Soperga N., Sophie, Sophie B, Soreli, Sorok liet Oktiabria, Sorok liet Pobiedy, Soultana, Soultanina B, Sousão, Souson, Southern Grape One, Souvignier Gris, Sovinjon, Sovinjon Bijeli, Spätburgunder Blauer, Spanna, Spatburgunder*