Alval N
Name of the variety in France

Alval
Origin

This variety was obtained in 1958 by INRA by crossbreeding Dabouki and Alphonse Lavallée.
Synonyms

There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information

In France, Alval is officially listed in the "Catalogue of vine varieties" on the A list.
Use

Table grape variety.
Evolution of cultivated areas in France

2018 | |
---|---|
ha | 0 |
Descriptive elements

The identification is based on:
- the tip of young shoot with a medium density of prostrate hairs,
- the green young green with reddish spots,
- the pentagonal adult leaves with five lobes, a closed petiole sinus with overlapping lobes, medium teeth with straight or convex sides, medium anthocyanin coloration of veins, an involute, slightly or moderately blistered leaf blade, and on the lower side of the leaves, a medium density of prostrate hairs,
- the broad ellipsoid berries.
- the tip of young shoot with a medium density of prostrate hairs,
- the green young green with reddish spots,
- the pentagonal adult leaves with five lobes, a closed petiole sinus with overlapping lobes, medium teeth with straight or convex sides, medium anthocyanin coloration of veins, an involute, slightly or moderately blistered leaf blade, and on the lower side of the leaves, a medium density of prostrate hairs,
- the broad ellipsoid berries.
Genetic profile

Microsatellite | VVS2 | VVMD5 | VVMD7 | VVMD27 | VRZAG62 | VRZAG79 | VVMD25 | VVMD28 | VVMD32 |
---|---|---|---|---|---|---|---|---|---|
Allel 1 | 131 | 232 | 247 | 176 | 186 | 240 | 238 | 243 | 249 |
Allel 2 | 149 | 236 | 255 | 182 | 204 | 248 | 244 | 257 | 251 |
Phenology

Bud burst: 6 days after Chasselas.
Grape maturity: mid-season, 2 weeks after Chasselas.
Grape maturity: mid-season, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production

Alval is very vigorous. It has an erect to semi-erect bearing but must be trained due to shoot vigor. Rather fertile, it can be managed in short or moderate long pruning. This variety is very little susceptible to coulure, millerandage or berry splitting.
Susceptibility to diseases and pests

Alval is not very susceptible to grey rot.
Technological potentiality

Alval's bunches are conical, large and not very compact. The berries are large, simple-flavored, very colored with firm pulp and a resistant skin that sometimes tastes bitter. Yield potential of Alval is high. The grapes have a very good storage capacity and good resistance to transportation.
Clonal selection in France

The only certified Alval clone carries the number 1080.
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.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, Marseillan, France.
Description of clones certified in France
