Grolleau gris G
Name of the variety in France
Grolleau gris
Origin
This variety corresponds to the grey mutation of Grolleau.
Synonyms
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information
In France, Grolleau gris is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine grape variety.
Evolution of cultivated areas in France
1958 1968 1979 1988 2000 2008 2018
ha 19 11 225 358 908 472 530
Descriptive elements
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
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 236 247 172 204 244 240 243 239
Allel 2 141 238 249 178 204 252 254 245 271
Phenology
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.
Susceptibility to diseases and pests
Grolleau gris is susceptible to grey rot.
Technological potentiality
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 - Institut Agro | Montpellier, 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 certified in France
Identity and availability Agronomic data Technological data Autres informations
Clone no. Marque Origin Selection Year of
certification
Agronomic
references
Surface area used
for propagation (year)
Fertility Production
level
Bunch
weight
Vigor Berry
size
Susceptibility
to grey rot
Sugar
level
Color
potential
Titrable
acidity
Tannic
structure
Aromatic
intensity
Oenological
suitability
New General
note
Agro-tecnic
note
Note
agronomique
Agronomic
note
Links
1118 Maine-et-Loire IFV 2008 Loire-Valley medium low to medium medium to high medium to high low to medium medium wines appreciated for their gustatory characteristics especially in terms of roundness and length in the mouth clone appreciated for its moderate level of production and its organoleptic qualities
1135 Maine-et-Loire IFV 2009 Loire-Valley medium to high medium medium medium medium medium wines appreciated especially for their olfactory quality
1136 Maine-et-Loire IFV 2009 Loire-Valley low to medium medium medium low to medium medium to high medium to high wines appreciated especially for their olfactory quality clone suitable for the production of grape juices