Mornen N
Name of vine variety in France
Mornen
Origin
This variety is seemingly originally from the Rhône region and used to constitute the basis of the Gier Valley (Loire) vineyards.
Synonymy
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Regulations
In France, Mornen is officially listed in the "Catalogue of vine varietie" since 2011 on the A list and classified.
Use
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 2008 2018
ha 319 230 47 1 0.7
Description
The identification is based on:
- the tip of the young shoot with a medium density of prostate hairs,
- the green young leaves with bronze spost or entirely bronzed,
- the small or medium, entire, circular adult leaves, with a slightly open or closed V-shaped petiole sinus, medium teeth, short compared to their width at the base with convex sides, no or a weak anthocyanin coloration of veins, a flat leaf blade, and on the lower side of the leaves, no or a very low density of erect and prostate hairs,
- the round-shaped or sometimes slightly obloid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 141 225 239 186 194 252 240 216 239
Allel 2 149 225 253 186 200 260 248 235 239
Phenology
Bud burst: 8 days after Chasselas.
Grape maturity: mid-season, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Mornen is fairly vigorous, with an erect bearing, and can be pruned short. It is well adapted to granitic sand soils.
Sensitivity to diseases and pests
Mornen is susceptible to grey rot.
Technological potential
Mornen's bunches are small to medium in size and the berries are medium in size. This variety produces not very acidic, rather light wines, with a deep color. The sugar accumulation potential of this variety is average.
Clonal selection in France
The only certified Mornen clone carries the number 1260.
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
1260  Loire  CAAPG - IFV        
 2017