Rivairenc gris G
Name of vine variety in France
Rivairenc gris
Origin
This vine variety corresponds to the gray mutation of Rivairenc N.
Synonymy
In France, this vine variety can officially be called "Aspiran gris G" for plant propagating material.
Regulations
In France, Rivairenc gris G is officlaly listed in the  "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 2016
ha 7 0.6
Description
The description corresponds to Rivairenc N, except for the berries when they reach maturity have a gray colored skin color.
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: 7 days after Chasselas.
Grape maturity: period III, 4 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Rivairenc gris G appears to be later than Rivairenc N, but the other characteristics are comparable.
Sensitivity to diseases and pests
The behavior of Rivairenc gris G to diseases is similar to Rivairenc N.
Technological potential
Grape clusters ad berries are large. Rivairenc gris G produces light and neutral wine with a fairly low sugar potential.
Clonal selection in France
There are no approved clones for this variety at the present time. Surveys have recently been carried out in vineyards in the Languedoc vineyards.
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.