Etraire de la Dui N
Name of the variety in France

Etraire de la Dui
Origin

This variety is originally from the Isère region.
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, Etraire de la Dui 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 | 1998 | 2008 | 2018 | |
---|---|---|---|---|---|---|---|
ha | 406 | 387 | 48 | 16 | 7 | 6 | 4.1 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a high density of prostrate hairs,
- the green young leaves with bronze spots,
- the large adult leaves, with five lobes, a petiole sinus with slightly overlapping lobes, medium teeth with convex sides, a moderate anthocyanin coloration of veins, a slightly goffered leaf blade, undulate between the veins near the petiole sinus, and on the lower side of the leaves, a low density of erect and prostrate hairs,
- the broad ellipsoid berries.
- the tip of the young shoot with a high density of prostrate hairs,
- the green young leaves with bronze spots,
- the large adult leaves, with five lobes, a petiole sinus with slightly overlapping lobes, medium teeth with convex sides, a moderate anthocyanin coloration of veins, a slightly goffered leaf blade, undulate between the veins near the petiole sinus, and on the lower side of the leaves, a low density of erect and prostrate hairs,
- the broad ellipsoid 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: mid-season, 3 weeks and a half after Chasselas.
Grape maturity: mid-season, 3 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production

This variety is very vigorous, fairly fertile and productive. It can be managed by short pruning. Etraire de la Dui ais quite sensitive to winter frosts. It grows well on deep clay-limestone terroirs and on hillsides. When ripe, it has a tendency to berry shedding.
Susceptibility to diseases and pests

This variety is not very sensitive to powdery mildew.
Technological potentiality

The bunches and berries are medium to large in size. Etraire de la Dui can produce colored, full-bodied and tannic wines (sometimes astrigent) that have good ageing ability.
Clonal selection in France

The only certified Etraire de la Dui clone carries the number 1070. A conservatory of a dozen clones was planted in 1999 in the wine-growing region of Savoie.
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
