RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is an intraspecific hybrid obtained by crossing Red Globe and a Muscat of Alexandria hybrid with the Sugraone variety. The ripening period is 130–140 days. The bush is vigorous, the flower is hermaphroditic.
The conical cluster has medium density, with an average cluster weight of 713 g. The berries, weighing about 5.4 g, have a yellow-green color, a round or slightly oval shape, firm crisp flesh, and thin skin. The variety belongs to the second class of seedlessness.
The taste is harmonious with a muscat flavor, sugar accumulation is about 15 Brix, acidity is 4.1 g/dm³. Winter hardiness is low, down to -15...-18°C. The recommended pruning length for fruit canes is 6–8 buds; cuttings have good rooting ability.
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.
№ Sugraeighteen® B.*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
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SUN WORLD INTERNATIONAL
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Nearby in the species list Starlight, Staufer, Stavrochiotiko N, Stavroto N, Stefanie, Steinschiller, Strogozia, Subirat parent, Suffolk Red, Sugraeighteen, Sugrafifteen, Sugrafive, Sugrafive B., Sugrafourteen, Sugranineteen, Sugranineteen® N., Sugraone, Sugraone B., Sugrasixteen, Sugrasixteen® N.