RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is an intraspecific hybrid obtained by crossing the Muscat Hamburg and Cardinal varieties. Bushes of medium vigor have bisexual flowers. The growing season is 110–120 days, ripening occurs in late July — early August.
Clusters are conical in shape, moderately loose, with an average weight of 300 g. Berries are slightly oval, weighing about 4.8 g, with thin skin and firm, crisp flesh. Sugar accumulation indices are about 16 Brix with an acidity of 4.3–4.4 g/l.
The variety is characterized by low resistance to downy mildew and powdery mildew, but is resistant to gray mold. Winter hardiness is down to -19…-21 °C. The recommended pruning length for fruit vines is 6–8 buds; the variety roots well from cuttings.
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.
№ Misket rusenski*BG 2
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
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
Zdravko Nakov, Iliyan Simeonov
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Miorita, Mir, MIREILLE, Mireille B, Mirkovača, Miro, Misket cherven, Misket kaylashki, Misket Otonel N46, Misket plevenski, Misket sandanski, Misket sungurlarski, Misket varnenski, Misket Viking, Misket vrachanski, Misketov siv mavrud, Miszket Hamburgszki, Mittervernatsch* , Mizancho, Mladenka