Grenache gris G
Name of vine variety in France
Grenache gris
Origin
This variety corresponds to the gray mutation of Grenache N.
Synonymy
There is no officially recognized synonym in France for this variety.In the European Union, Grenache gris G can likewise be called by other names: Garnache Roja (Spain) and Garnacha Gris (Spain).
Regulations
In France, Grenache gris G is officially listed in the "Catalogue of vine varieties".

This variety is likewise listed in the Catalogue of Spain.
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 2000 2008 2016
ha 8652 9362 16286 12083 2926 1683 1657
1958 to 1988 Grenache blanc B and gris G
Description
Identification signs are the same as for Grenache N, except the skin color of the berries when ripe is gray.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 135 223 239 191 188 258 240 243 239
Allel 2 143 238 243 191 188 258 254 243 249
Phenology
Bud burst: 5 days after Chasselas.Grape maturity: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
The aptitudes are close to the other types of Grenache, but this variety would appear to be a little more productive than Grenache blanc B.
Sensitivity to diseases and pests
Sensitivity and disease resistance is comparable to Grenache blanc B, but with a more noticeable sensitivity to gray rot.
Technological potential
The clusters and berries are small to moderate size. Grenache gris G is especially used for making natural sweet wines and "vins gris" gray wine (in the sandy Mediterranean coastal area).
Clonal selection in France
The three approved Grenache gris G clones carry the numbers 147, 148 and 150. Explorations have recently been conducted in vineyards in  Banyuls (Pyrénées- Orientales).
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
147  Aude  INRA  low  medium  medium  
 1972  Languedoc  medium    medium  
 0.13 ha  medium      distinctive wines of the vine variety
148  Aude  INRA  medium  medium  medium  
 1972  Languedoc
Vallée-du-Rhône
 medium    medium  
 0.60 ha  medium      distinctive wines of the vine variety
150  Aude  INRA  medium  medium  medium  
 1972  Languedoc
Vallée-du-Rhône
 low to medium    medium  
 0.30 ha  medium      distinctive wines of the vine variety
Clone carrier of leaf roll virus 2