Sacy B
Name of vine variety in France
This vine variety is native to the Allier region and based on published genetic studies is derived from the crossbreeding of Pinot and Gouais B.
In France, this vine variety can officially be called "Tressallier B" for plant propagating material.
In France, Sacy B is officially listed in the "Catalogue of vine varieties".
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 655 484 209 109 172 56 15
Identification signs include:
- the tip of the young shoot has a dense coat of flat-lying hairs, 
- the young leaves are green with bronze patches,
- the shoots have internodes with red streaks,
- whole or 5 lobed adult leaves with slightly open petiolar sinus, moderate size teeth with straight sides, an upturned and bubbled leaf blade and the underside with a slight to moderate coat of flat-lying hairs,
- round-shaped berries.
Genetic profile
Allel 1 131 225 239 176 194 238 238 216 239
Allel 2 135 238 249 186 204 246 238 227 271
Bud burst: same as Chasselas.
Grape maturity: period II, 2 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Sacy B is a vigorous vine variety. While Sacy B is usually long pruned, this fertile vine variety can also be short pruned.
Sensitivity to diseases and pests
Sacy B does not display any particular susceptibility to diseases.
Technological potential
Grape clusters and berries are small. Sacy B is used especially for producing base wine for sparkling wine. Light wines, fairly acid with low alcohol level. This vine variety can however be used to produce elegant still wines with character.
Clonal selection in France
The 3 approved Sacy B clones carry the numbers 793, 833 and 965.
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
793  Allier  ENTAV  high  high  low  
 1984  Centre    high  high  
 0.37 ha        distinctive wines of the vine variety
833  Allier  ENTAV  low  medium  high  
 1985  Centre    high  low  
 0.39 ha        distinctive wines of the vine variety
Clone appreciated for its moderate production level and higher sugar content
965  Allier  INRA        
Small distribution clone