Valérien B
Name of vine variety in France
Valérien
Origin
Valérien B (an interspecific hybrid) corresponds to 23410 Seyve-Villard. Its origin is unknown.
Synonymy
In France, this vine variety can officially be called "23410 Seyve-Villard" for plant propagating material.
Regulations
In France, Valérien B is officially listed in the "Catalogue of vine varieties".

This vine variety is likewise listed in the Catalogue of Romania.
Use
Wine grape vine variety
Evolution of area under vines in France
1958 1968 2000 2008 2016
ha 209 136 47 35 19
Description
Identification signs include:
- the tip of the young shoot has a slight coat of flat-lying hairs,
- the young leaves are green,
- orbicular-shaped adult leaves, 3 lobes with a slightly open U-shaped petiolar sinus, few moderate to large size teeth, short compared to width at base, convex sides; a thick leaf blade, slightly cupped and the underside with a slight coat of upright hairs, 
- round-shaped or obovoid-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 0 0 0 0 0 0 0 0 0
Allel 2 0 0 0 0 0 0 0 0 0
Phenology
Bud burst: 7 days after Chasselas.
Grape maturity: period II, 2 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Valérien B is very vigorous and grows semi-erect. The shoots are wind sensitive. Valérien B is fairly fertile and can be managed short or moderately long pruned. It is susceptible to coulure.
Sensitivity to diseases and pests
Valérien B is moderately resistant to downy mildew and it must be grafted.
Technological potential
Valérien B grape clusters are not very compact, moderate size, cylindrical-shaped and the berries are moderate size.
Clonal selection in France
There 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.