Sylvaner B
Name of vine variety in France
Sylvaner
Origin
This variety would appear to originally be from central Europe (Austria).
Synonymy
There is no officially recognized synonym for this variety in France. In the European Union, Sylvaner B can officially be called by other names: Grüner Silvaner (Germany, Austria), Gruner Sylvaner (under certain conditions in Italy), Silvaner (Germany), Silvanske zelené (Czech Republic, Slovakia), Sylvaner verde (Italy), Zeleni silvanec (Slovenia), Zöld szilvani (Hungary).
Regulations
In France, Sylvaner B is officially listed in the "Catalogue of vine varieties".

This vine variety is likewise listed in the Catalogues of other European Union member states: Germany, Austria, Belgium, Bulgaria, Cyprus, Spain, Greece, Italy, Hungary, Luxemburg, Netherlands, Czech Republic, Slovakia and Slovenia.
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 2489 2830 2644 2617 2168 1603 958
Description
Identification signs include:
- the tips of the young shoot have a moderate coat of flat-lying hairs,
- young leaves are green,
- the shoot with the internodes is green with shiny orbicular, whole adult leaves with a slightly open petiole sinus, parallel edges or slightly overlapping lobes; short teeth with convex sides; absence of anthocyanin coloration of veins; jagged leaf blade and the underside with an absence or very sparse coat of upright or flat-lying hairs,
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 149 223 243 186 188 250 240 227 271
Allel 2 151 229 247 191 204 252 248 235 271
Phenology
Bud burst: 5 days after Chasselas.
Grape maturity: period II, 2 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Sylvaner B is a variety which ensures a steady production. It is however rather sensitive to spring frost and its wood sometimes has difficulty lignifying. Sylvaner B is not suited to terroirs which are too chlorosis.
Sensitivity to diseases and pests
Sylvaner B is very sensitive to powdery mildew, downy mildew and grey rot.
Technological potential
The grape clusters are small and the berries are small to moderate in size. Sylvaner B produces fairly acidic wine and relatively neutral in terms of aromas.
Clonal selection in France
The 2 approved Sylvaner B clones carry the numbers 50 and 487. A conservatory with approximately 300 clones was set up in Alsace in 1990.
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
50  Bas-Rhin  INRA  medium  medium  medium  
 1971  Alsace  medium      
 1.67 ha        distinctive wines of the vine variety
487  Bas-Rhin  INRA  medium to high  medium to high  medium  
 1976  Alsace  medium      
 0.14 ha        distinctive wines of the vine variety