RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety was obtained through hybridization and is characterized by vigorous vine growth and a perfect flower type. The clusters are conical in shape and of medium density, with an average weight of about 670 g.
The berries feature firm, crunchy flesh, edible durable skin, and belong to the first-second class of seedlessness. The taste is harmonious, with high sugar content and low acidity. Transportability is high.
The variety has low resistance to fungal diseases and frost resistance down to -15...-18°C. When cultivated, the variety responds well to gibberellic acid treatments to increase berry size.
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.
№ Sugrathirteen® N.*IT 88
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
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SUN WORLD INTERNATIONAL
Vitis L. · Grapevine
Nearby in the species list Sugrafive, Sugrafive B., Sugrafourteen, Sugranineteen, Sugranineteen® N., Sugraone, Sugraone B., Sugrasixteen, Sugrasixteen® N., Sugrathirteen, Sugrathirtytwo® Rs., Sugratwelve, Sulima B, Sultani Razaki, Sultanina, Sultanina bianca B., Sultanina Bijela, Sultanine B, Sultanine Blanche, Sumarello