Verdesse B
Name of vine variety in France
Verdesse
Origin
Verdesse B is originally from the Isère region.
Synonymy
Regulations
In France, Verdesse B is officially listed in the "Catalogue of vine varieties".
Use
Wine grape vine variety
Evolution of area under vines in France
1958 1968 1979 1988 2000 2008 2016
ha 19 12 2 3 2 2 11
Description
Identification signs include:
- the tips of the young shoots have a moderate coat of flat-lying hairs, 
- adult leaves are dark green, small, orbicular shaped with 5, 7 or 9 lobes; an open or closed U-shaped petiolar sinus with deep lateral sinuses, moderate size teeth with convex or straight sides; low to moderate anthocyanin coloration of veins and the underside with a moderate coat of upright hairs,
- elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 225 239 176 188 246 240 233 239
Allel 2 149 229 257 186 194 250 248 247 249
Phenology
Bud burst: 5 days after Chasselas.
Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
This vine variety must be long pruned. Good results are achieved on clayey-limestone hillsides.
Sensitivity to diseases and pests
Verdesse B is not very susceptible to grey rot, but is more prone to powdery and downy mildew.
Technological potential
Grape clusters and berries are small to moderate size. Verdesse B produces generous and lively wines which are marked by plant and floral aromas.
Clonal selection in France
The only approved Verdesse B clone carries the number 931. A conservatory with a dozen clones was set up in the Savoie vineyards in 1999.
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
931  Isère  ENTAV  medium to high  medium to high  medium to high  
 1988  Savoie  medium  medium  low to medium  
   low  low to medium  medium  light wines with flower and fresh fruit aromas