Courbu noir N
Name of vine variety in France
Courbu noir
Origin
Courbu noir N is a native vine variety from the Pyrenesse vineyards. It does not correspond to the black form of Courbu B.
Synonymy
No synonym is officially recognized in France, nor in the other couontries of the European Union.
Regulations
In France, Courbu noir N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1979 1988 2000 2008 2016
ha 10 11 1 1 1.1
Description
Identification signs include:
- young leaves are red and very bronze,
- adult leaves have 5 lobes with an open petiolar inus and frequently with a tooth on the edge, open lateral sinuses, small teeth with straight sides, and the underside with a moderate to heavy coat of flat-lying hairs,
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 236 239 172 188 248 238 233 239
Allel 2 137 236 249 178 200 260 248 243 271
Phenology
Bud burst: 3 days after Chasselas.
Grape maturity: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
This fairly unproductive vine variety must be managed with long pruning.
Sensitivity to diseases and pests
Courbu noir N is fairly susceptible to powdery mildew but resists well against downy mildew.
Technological potential
Grape clusters and berries are small. Courbu noir N produces fine, light in color and in alcohol but relatively astringent wines.
Clonal selection in France
The 2 approved Courbu noir N clones carry the numbers 728 and 729.
Bibliographic references
- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi.
- Documentation interne du Domaine de Vassal. 1949-2011, INRA, Marseillan-plage.
- Cépages et vignobles de France, tome 2. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.
Description of clones approved in France
Identity and availability Agronomic data Technical data
Clone number Origin Selection Fertility Production level Sugar content Potential color
Year approved Agronomic references Weight of grape clusters Vigor Total acidity Tannic structure
Growing surface area Size of berries Sensitivity to Botrytis Aromatic intensity Oenological aptitudes
728  Pyrénées-Atlantiques  ENTAV        
 1980  Sud-Ouest        
         
Small distribution clone, conforms to vine variety characteristics
729  Pyrénées-Atlantiques  ENTAV        
 1980  Sud-Ouest        
         
Small distribution clone, conforms to vine variety characteristics