Valérien B
Name of the variety in France

Valérien
Origin

Valérien (an interspecific hybrid) corresponds to 23410 Seyve-Villard. Its origin is unknown.
Synonyms

In France, this variety can officially be called "23410 Seyve-Villard" regarding plant propagation material.
Legal information

In France, Valérien is officially listed in the "Catalogue of vine varieties" on the A list and classified. This variety is also listed in the catalogue of Romania.
Use

Wine grape variety.
Evolution of cultivated areas in France

1958 | 1968 | 2000 | 2008 | 2018 | |
---|---|---|---|---|---|
ha | 209 | 136 | 47 | 35 | 19 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a low density of prostrate hairs,
- the green young leaves,
- the circular adult leaves, with three lobes, a slightly open U-shaped petiole sinus, medium to large teeth, not numerous, short compared to their width at the base with convex sides, a thick, slightly goffered leaf blade, and on the lower side of the leaves, a low density of erect hairs,
- the round-shaped or obovoid berries.
- the tip of the young shoot with a low density of prostrate hairs,
- the green young leaves,
- the circular adult leaves, with three lobes, a slightly open U-shaped petiole sinus, medium to large teeth, not numerous, short compared to their width at the base with convex sides, a thick, slightly goffered leaf blade, and on the lower side of the leaves, a low density of erect hairs,
- the round-shaped or obovoid 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: mid-season, 2 weeks and a half after Chasselas.
Grape maturity: mid-season, 2 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production

Valérien is very vigorous and has a semi-erect bearing. The shoots are sensitive to the wind. Valérien is fairly fertile and can be pruned short or moderately long. It is susceptible to coulure.
Susceptibility to diseases and pests

Valérien is moderately resistant to downy mildew and it must be grafted.
Technological potentiality

Valérien's bunches are medium in size, not very compact, cylindrical-shaped and the berries also are medium in size.
Clonal selection in France

There is no certified clone for this variety yet.
Bibliographic references


- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, Marseillan, France.
- Cépages et vignobles de France, tome 1. P. Galet, 1988, Ed. Dehan, Montpellier, FRance.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, Marseillan, France.
- Cépages et vignobles de France, tome 1. P. Galet, 1988, Ed. Dehan, Montpellier, FRance.