Rivairenc blanc B
Name of vine variety in France
Rivairenc blanc
Origin
This variety corresponds to the white mutation of Rivairenc.
Synonymy
In France, this variety can officially be called "Aspiran blanc" regarding plant propagation material. There is no officially recognized synonym in the other countries of the European Union.
Regulations
In France, Rivairenc blanc is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine grape variety.
Evolution of area under vines in France
1958 1979 2018
ha 2 1 0.6
Description
The description corresponds to that of Rivairenc, except for the skin color of the berries when ripe, which is green yellow in this case.
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: 9 days after Chasselas.
Grape maturity: mid-season, 3 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production
Characteristics are similar to those of Rivairenc.
Sensitivity to diseases and pests
The behavior of Rivairenc blanc towards diseases is comparable to that of Rivairenc.
Technological potential
The bunches and berries are large. Rivairenc blanc produces light and neutral wines with low sugar potential.
Clonal selection in France
There is no certified clone for this variety yet.
Bibliographic references
- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.