Mérille N
Name of vine variety in France
Mérille
Origin
This variety is originally from the south west of France (Tarn and Garonne).
Synonymy
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Regulations
In France, Mérille is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2018
ha 2422 2458 622 226 105 80 24
Description
The identification is based on:
- the tip of the young shoot with a very high density of prostate hairs,
- the shoots with red internodes,
- the dark green adult leaves, with three or five lobes, a moderate to strong anthocyanin coloration of veins, a strongly blistered revolute leaf blade, folded near the petiole sinus, undulate between the principle veins, and on the lower side of the leaves, a medium to high density of erect and prostate hairs,
- the broad ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 141 232 239 182 194 240 248 235 239
Allel 2 149 236 247 188 194 260 254 243 251
Phenology
Bud burst: 4 days after Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
This variety provides a steady production and high yields when long pruned.
Sensitivity to diseases and pests
This variety is not very suseptible to downy and powdery mildew. It is a little sensitive to grey rot and more to mites, grape moths and leafhoppers.
Technological potential
The bunches are very large and the berries are large. Mérille produces light (low sugar potential) and rather ordinary wines.
Clonal selection in France
The three certified Mérille clones carry the numbers 444, 445 and 790.
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 - 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.
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
444  Charente  ENTAV  medium to high  medium to high  medium  
 1976  Languedoc, domaine de l'Espiguette  medium to high    medium  
   medium      distinctive wines of the vine variety
445  Charente  ENTAV  medium to high  medium  medium  
 1976  Languedoc, domaine de l'Espiguette  low to medium    medium  
   low to medium      distinctive wines of the vine variety
790  Charente  ENTAV  low  medium  medium  
 1984  Languedoc, domaine de l'Espiguette  medium to high    medium  
   medium to high      distinctive wines of the vine variety