Terret gris G
Name of the variety in France

Terret gris
Origin

This variety corresponds to the grey mutation of Terret noir.
Synonyms

In France, this variety can officially be called "Terret-Bourret" regarding plant propagation material.
Legal information

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 cultivated areas 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.
Descriptive elements

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.
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.
Susceptibility to diseases and pests

The behavior of Terret gris towards diseases is comparable to that of Terret noir.
Technological potentiality

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 - 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.
- 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
