RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is a complex interspecific hybrid. It belongs to the category of late-maturing wine grape varieties. It is characterized by high yield, although its distribution has historically declined due to specific organoleptic qualities of the wine, which are sometimes described as aggressive.
The plant possesses resistance to both types of powdery mildew, but shows low resistance to phylloxera and a susceptibility to chlorosis. Wines produced from this variety are noted for their high alcohol content and characteristic blackcurrant notes. Synonyms for the variety are Couderc Noir, C 7120, Contassot 20 and Plant Verni.
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.
№ Couderc noir N*FR
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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
INCONNU (FR)
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list 420 A Millardet et de Grasset, 420 MILLARDET GRASSET, 44-53 M, 4986 Seibel, 5 A MARTINEZ ZAPORTA, 5 BB TELEKI KOBER, 5276 Seyve-Villard, 5455 Seibel, 595 Oberlin, 6736 CASTEL, 7705 Burdin, 775 Paulsen, 8 B, 8745 Seibel, 90-3437, 99 Richter, 99 RITCHER, A 109 fajtanevue feherbor szoeloefajta, A 214 Odysseus, Abbuoto N.