Terret gris G
Name of vine variety in France
Terret gris
Origin
This variety corresponds to the grey mutation of Terret noir.
Synonymy
In France, this variety can officially be called "Terret-Bourret" regarding plant propagation material. There is no officially recognized synonym in the other countries of the European Union.
Regulations
In France, Terret gris is officially listed in the "Catalogue of vine varieties" on the A list and classified. This variety is also listed in the catalogue of Croatia.
Use
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2018
ha 15017 13384 8987 6191 214 131 40
From 1958 to 1988, Terret blanc and gris.
Description
The description corresponds to that of Terret noir except for the skin color of the berries when ripe, which is grey, and for the ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 243 176 188 252 238 257 239
Allel 2 131 223 247 182 204 252 240 257 239
Phenology
Bud burst: 8 days after Chasselas.
Grape maturity: late-season, 4 weeks and a half to 5 weeks after Chasselas.
Suitability for cultivation and agronomic production
Terret gris has chacteristics comparable to thoses of Terret noir. It is also fairly susceptible to browning.
Sensitivity to diseases and pests
The behavior of Terret gris towards diseases is comparable to that of Terret noir.
Technological potential
The bunches and berries are large. Terret gris produces neutral wines with a low alcohol degree.
Clonal selection in France
The only certified Terret gris clone carries the number 1219. Selection work is underway following surveys carried out in the wine-growing region of Hérault. A conservatory of ten or so clones was planted in the French department of Hérault in 2003.
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
1219  Hérault  IFV        
 2014  Languedoc-Roussillon        
         distinctive wines of the vine variety