Rivairenc N
Name of vine variety in France
Rivairenc
Origin
This vine variety is originally from the Languedoc region.
Synonymy
In France, this vine variety can officially be called "Aspiran N" for plant propagating material.
Regulations
In France, Rivairenc N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1988 2016
ha 99 23 7 6.6
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs with the presence of heavy anthocyanin coloration, 
- the young leaves have bronze patches,
- adult leaves are orbicular-shaped, 5 lobes with deep lateral sinuses, slightly open petiolar sinus, long teeth compared to width at base, straight sides or with one concave and one convex side, moderate to strong anthocyanin coloration of veins; finely bubbled leaf blade, jagged and the underside with a slight to moderate coat of upright and flat-lying hairs, 
- short elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 247 176 204 252 240 227 239
Allel 2 131 223 249 178 204 260 248 257 261
Phenology
Bud burst: 8 days after Chasselas.
Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Rivairenc N has moderate vigor and displays fairly erect growth and must be short-pruned. This vine variety is well adapted to hot climates and to dry and not very fertile terroirs. Rivairenc N is moreover susceptible to winter frost.
Sensitivity to diseases and pests
Rivairenc N is not very susceptible to gray rot. It is howver more susceptible to powdery and downy mildew.
Technological potential
Grape clusters and berries are large to very large. Rivairenc N can be used to produce fairly light and somewhat colored wine. The sugar potential of this vine variety is fairly low.
Clonal selection in France
The only approved Rivairenc N clone carries the number 1152.
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 1. 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
1152  Hérault  IFV  medium  medium to high  medium  
 2010  Languedoc  medium to high    medium  
   medium      distinctive wines of the vine variety