RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is vigorous, with shoot length reaching 3.5–4 meters. The plant has a male flower type and does not produce berries. The root system is powerful, deep, and well-branched. The vegetation period is relatively short, though late vine maturation is sometimes observed.
The rootstock possesses high resistance to grape phylloxera and drought, and is well-adapted to calcareous soils with carbonate content up to 25%. Resistance to fungal diseases and nematodes is medium, and resistance to leaf phylloxera is low. The variety tolerates heavy, waterlogged soils poorly and is sensitive to magnesium deficiency.
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.
№ 17030002
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list 5455 Seibel, 595 Oberlin, 6736 CASTEL, 7120 Couderc, 7705 Burdin, 775 Paulsen, 8 B, 8745 Seibel, 90-3437, 99 Richter, A 109 fajtanevue feherbor szoeloefajta, A 214 Odysseus, Abbuoto N., Abelakiotiko Mavro, Abigél, Abiora, Abokatac, Abondant B, Abouriou B, Abrusco N.