Grolleau gris G
Name of vine variety in France
Grolleau gris
This variety corresponds to the grey mutation of Grolleau.
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
In France, Grolleau gris is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 1988 2000 2008 2018
ha 19 11 225 358 908 472 530
The description corresponds to that of Grolleau except for the skin color of the berries when ripe, which is grey in this case.
Genetic profile
Allel 1 131 236 247 172 204 244 240 243 239
Allel 2 141 238 249 178 204 252 254 245 271
Bud burst: 1 day after Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
This variety can by managed by short pruning.
Sensitivity to diseases and pests
Grolleau gris is susceptible to grey rot.
Technological potential
The bunches and berries are small to medium in size. This variety produces good rosé wines (or grey wines) and sparkling wines.
Clonal selection in France
The three certified Grolleau gris clones carry the numbers 1118, 1135 and 1136. A conservatory of 15 or so clones was planted in the Franch department of Val de Loire in 1997.
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.
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
1118  Maine-et-Loire  IFV  medium  medium  medium to high  
 2008  Val de Loire  medium to low    medium to low  
       medium  wines appreciated for their taste characteristics notably in terms of roundness and finish
Clone appreciated for its moderate production level and its organoleptic qualities
1135  Maine-et-Loire  IFV  medium to high  medium  medium  
 2009  Val de Loire  medium    medium  
       medium  wines appreciated notably for their olfactory quality profile
1136  Maine-et-Loire  IFV  medium to low  medium  medium to high  
 2009  Val de Loire  medium    medium to high  
       medium to high  wines appreciated notably for their olfactory quality profile
Clone can likewise be suitable for the production of grape juice