Molette B
Name of vine variety in France
Molette
Origin
This vine variety is a native to the Savoie and based on published genetic analyses is probably a descendant of Gouais B.
Synonymy
There is no officially recognized synonym in France for this variety, nor in other countries in the European Union.
Regulations
In France, Molette B 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 98 96 36 32 34 30 25
Description
Identification signs include:
- the tip of the young shoots has a moderate coat of flat-lying hairs,
- the young leaves are yellow,
- adult leaves are large, orbicular with a slightly open to closed petiolar sinus, U-shaped base; moderate to long teeth compared to width at base, straight sides, moderate anthocyanin coloration of veins, an upturned leaf blade and the underside with a moderate to heavy coat of upright hairs and a slight coat to moderate coat of flat-lying hairs,
- round-shaped or slightly flat berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 232 247 176 194 244 248 233 249
Allel 2 141 234 249 178 196 260 254 245 251
Phenology
Bud burst: 4 days after Chasselas.
Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Molette B is vigorous and displays fairly upright growth. Moderate fertility when short pruned but production becomes substantial when this vine variety is long pruned. Molette B appears well adapted to clay-limestone and sandy soils.
Sensitivity to diseases and pests
This vine variety is susceptible to grey rot and downy mildew.
Technological potential
Grape clusters are moderate in size and the berries are small. Molette B produces clear, fairly alcoholic and acid, but relatively common and not very aromatic wines.
Clonal selection in France
The 2 approved Molette B clones carry the numbers 1039 and 1230.
A conservatory of a dozen clones was planted in 1999 in the Savoie region vineyards.
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 1. 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
1039  Ain  ENTAV  medium to high  medium to high  medium  
 1997  Savoie  medium    medium to high  
   medium      
New
1230  Ain  IFV  medium  medium  medium  
 2015  Languedoc-Roussillon  medium    medium  
   medium      
Clone conforms to variety characteristics