Graisse B
Name of vine variety in France
Graisse
Origin
This variety is found in the south west of France. Based on published genetic analyses, Graisse B is probably a descendant of Gouais B.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Graisse B is officially listed in the "Catalogue of vine varieties".
Use
Wine and eaux-de-vie vine variety.
Evolution of area under vines in France
1958 1968 1979 1988 2000 2008 2016
ha 2722 2248 420 72 25 19 18
Description
Identification signs include:
- the tips of the young shoot have a very heavy coatof flat-lying hairs,
- young leaves are green or yellow,
- adult leaves are dark green, whole or 5 lobes, with a slightly open petiolar sinus; moderate to long teeth compared to width at base, straight sides, an absence of anthocyanin pigmentation, jagged leaf blade, bubbled, cupped and the underside with a moderate to heavy coat of upright and flat-lying hairs,
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 141 223 239 176 188 244 254 233 239
Allel 2 149 232 249 176 204 252 262 245 271
Phenology
Bud burst: 6 days after Chasselas.
Bud burst: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
Graisse B is productive, grows upright and can possibly be short-pruned. It tends to produce
many off shoots and suckers.
Sensitivity to diseases and pests
Graisse B is somewhat susceptible to powdery mildew.
Technological potential
Grape clusters are moderate in size and compact and the berries are moderate to large in size. Graisse B has low sugar accumulation potential in berries. It produces neutral and acid wine.
Clonal selection in France
The only appoved Graisse B clone carries the number 1134.
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 2. 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
1134  Gers  IFV        
 2009          
         distinctive wines of the vine variety