Etraire de la Dui N
Name of vine variety in France
Etraire de la Dui
Origin
This variety is originally from the Isère region.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Etraire de la Dui N 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 406 387 48 16 7 6 4.9
Description
Identification signs include:
- thetips of the young shoot have a heavy coat of flat-lying hairs,
- the young leaves are green with bronze patches,
- adult leaves are large, 5 lobes with a petiolar sinus with slightly overlapping lobes, moderate anthocyanin pigmentation of veins, leaf blade which are wavy between the veins near the petiolar point, slightly cupped and the underside with a slight coat of flat-lying and upright hairs,
- short elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 225 239 176 188 252 238 233 239
Allel 2 149 232 243 186 194 256 248 267 239
Phenology
Bud burst: 6 days after Chasselas.
Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
This vine variety is very vigorous and farly fertile and productive. It can be managed short pruned. Etraire de la Dui N would appear fairly sensitive to winter frosts. It grows well on deep clay-limestone terroirs and on hillsides. When ripe, a tendency to shatter can sometimes be noted.
Sensitivity to diseases and pests
This vine variety is not very sensitive to powdery mildew.
Technological potential
Grape clusters and berries are moderate to large in size. Etraire de la Dui N can produce good ageing, colorful, full-bodied and tannic wines (sometimes astrigent).
Clonal selection in France
The only approved Etraire de la Dui N clone carries the number 1070. A conservatory of a dozen clones was set up in 1999 in vineyards in the  Savoie 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 2. 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
1070  Isère  CA 73 - ENTAV  medium  medium  medium to high  medium to high
 2003  Savoie  medium  medium  medium to high  medium to high
     low to medium  medium to high  distinctive wines of the vine variety