Terret gris G
Name of vine variety in France
Terret gris
Origin
This vine variety corresponds to the gray mutation of Terret noir N.
Synonymy
In France, this vine variety can officially be called "Terret-Bourret G" for plant propagating material.
Regulations
In France, Terret gris G is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 15017 13384 8987 6191 214 131 41
From 1958 to 1988 Terret blanc B and gris G
Description
The description corresponds to Terret noir N except for the skin color of the berries, which at maturity, is gray with elliptical-shaped 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: period III, 4 and 1/2 to 5 weeks after Chasselas.
Suitability for cultivation and agronomic production
Terret gris G displays chacteristics comparable to Terret noir N. It is likewise fairly susceptible to browning.
Sensitivity to diseases and pests
The behavior of Terret gris G to diseases is comparable to Terret noir N.
Technological potential
Grape clusters and berries are large. Terret gris G produces neutral wines with a low degree of alcohol.
Clonal selection in France
The only approved Terret gris G clone carries the number 1219. Selection work is underway further to surveys carried out in the vineyards in the Hérault region.
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.
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