Villard blanc B
Name of vine variety in France
Villard blanc
Origin
Villard blanc B or 12375 Seyve-Villard (an interspecific hybrid) is derived from the crossbreeding of 6468 Seibel and Subéreux N (or 6905 Seibel).
Synonymy
In France, this vine variety can officially be called 2375 Seyve-Villard" for plant propagating material.
Regulations
In France, Villard blanc B is officially listed in the "Catalogue of vine varieties".

This vine variety is likewise listed in the Catalogue of Hungary.
Use
Wine grape vine variety
Evolution of area under vines in France
1958 1968 1998 2008 2016
ha 19199 21397 1129 439 136
Description
Identification signs include:
- the tip of the young shoot has a slight cat of flat-lying hairs,
- young leaves are reddish and very shiny,
- adult leaves are orbicular or slightly kidney-shaped, whole or 3 lobed with an open U-shaped petiolar sinus sometimes limited by a vein near the petiolar point; shallow lateral sinuses; long teeth compared to width at base with straight or convex sides, slight to moderate anthocyanin coloration of veins; a smooth and shiny leaf blade and the underside with an absence or just slight coat of upright and flat lying hairs,
- ovoid or long elliptical shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 229 237 178 178 256 240 233 239
Allel 2 141 234 251 186 194 262 254 235 255
Phenology
Bud burst: 8 days after Chasselas.
Grape maturity: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
Villard blanc B is vigorous, fairly fertile with semi-erect to horizontal growth. It can be short or moderately long pruned and preferably trellised.
Sensitivity to diseases and pests
Villard blanc B resists well to downy mildew and grey rot but is somewhat susceptible to powdery mildew and anthracnose disease. It should preferably be grafted.
Technological potential
Grape clusters and moderate to large size, not very compact and the berries are likewise moderate to large. Villard blanc B is used to produce ordinary quality wines.
Clonal selection in France
Ther are no approved clones for this vine variety at the present time.
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, 1988, Ed. Dehan, Montpellier.