RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. Grapevine · Fruit crops · bred by GUIDO CIPRIANI/GABRIELE DI GASPERO/MICHELE MORGANTE/ENRICO PETERLUNGER/RAFFAELE TESTOLIN/ SIMONE DIEGO CASTELLARIN
also searched as: мерлот хорус
10 August 2026
The variety belongs to the mid to mid-late ripening group and is characterized by vigorous growth with intensive lateral shoot formation. The leaf is medium-sized, five-lobed, and wedge-shaped. The bunches are medium-sized, conical, loose, and single-winged. The berries are small, round, blue-black in color, with thick skin.
The plant possesses high resistance to downy mildew, good resistance to powdery mildew, and moderate resistance to gray mold. Frost resistance is limited to a threshold of approximately -18°C. Yields reach 93–95 c/ha, and berry sugar content reaches 23–25% with an acidity of 5.3 g/l.
2 jurisdictions
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.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 472175
№ 20250129
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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
Vitis L. · Grapevine
GUIDO CIPRIANI / ENRICO PETERLUNGER / GABRIELE DI GASPERO / MICHELE MORGANTE / SIMONE DIEGO CASTELLARIN / RAFFAELE TESTOLIN
Vitis L. · Grapevine
Nearby in the species list Merlese* N., Merlin, Merlo, Merlot, Merlot 17 Od., Merlot 7 Vl., Merlot 8 Vl., Merlot Bb.348/1, Merlot blanc B, Merlot Kanthus, Merlot Kt.9, Merlot N., Merlot noir, Merlot P.102, Merlot P. 115, Merlot P.124, Merseguera, Mery, Merzling, Mescle N