Dureza N
Name of the variety in France
Dureza
Origin
This variety is originally from the northern Côtes du Rhône area.
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, Dureza is officially listed in the "Catalogue of Vine Varieties" since 2013 on the A list and classified.
Use
Wine grape variety.
Evolution of cultivated areas in France
2018
ha 0.1
Descriptive elements
The identification is based on:
- the white tip of the young shoot with a high density of prostate hairs,
- the green or yellow young leaves with bronze spots and a medium to high density of prostate hairs,
- the shoots with green or red-striped internodes and red bud scales,
- the small or medium, pentagonal or circular adult leaves, with five or seven lobes, wide and deep lateral sinuses with often a tooth inside, a V- or brace-shaped, closed petiole sinus or with overlapping lobes, small mucronate teeth, moderately long compared to their width at the base with straight sides or with one side concave and one side convex, no or a weak anthocyanin coloration of veins, a slightly blistered, twisted or revolute leaf blade, and on the lower side of the leaves, a high density of erect hairs and a medium density of prostate hairs,
- the slightly ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 194 246 238 227 239
Allel 2 135 225 249 186 200 256 240 243 271
Phenology
Bud burst: 11 day after Chasselas.
Grape maturity: mid-season, 3 weeks to 3 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production
Dureza is rustic, vigorous, productive and has a semi-erect bearing. This variety must be pruned short and can sometimes be sensitive to millerandage.
Susceptibility to diseases and pests
Dureza is not very sensitive to cryptogamic diseases nor to grey rot.
Technological potentiality
Dureza’s bunches are medium in size and compact. The berries are also medium, simple-flavored, with a moderately thick to thin skin and a not very juicy pulp. This variety produces rather colored, quite acidic wines with spicy aromas.
Clonal selection in France
The only certified Dureza clone carries the number 1211.
Bibliographic references
- 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.
- Le vignoble. A. Mas and V. Pulliat, 1874-1879, Ed. Masson, Paris, France.
Description of clones certified in France
Identity and availability Agronomic data Technological data Autres informations
Clone no. Marque Origin Selection Year of
certification
Agronomic
references
Surface area used
for propagation (year)
Fertility Production
level
Bunch
weight
Vigor Berry
size
Susceptibility
to grey rot
Sugar
level
Color
potential
Titrable
acidity
Tannic
structure
Aromatic
intensity
Oenological
suitability
New General
note
Agro-tecnic
note
Note
agronomique
Agronomic
note
Links
1211 Ardèche IFV 2014 Languedoc-Roussillon representative wines of the variety