Alval N
Name of vine variety in France
Alval
Origin
This variety was obtained in 1958 by INRA by crossbreeding Dabouki B and Alphonse Lavallée N.
Synonymy
No synonym is officially recognized in France for this variety, nor in other countries of the European Union.
Regulations
In France, Alval N is officially listed in the "Catalogue of vine varieties".
Use
Table grape variety
Evolution of area under vines in France
2016
ha 0
Description
Identification signs include:
- Tips of young shoots are covered with medium-density short prostrate hairs,
- Young green leaves with reddish areas,
- Adult pentagonal leaves with 5 lobes with a petiolar sinus closed with overlapping lobes, medium teeth with straight or convex sides, medium anthocyanin pigmentation of veins, upturned (involute) leaf blade, slight or medium bubbled. The lowerside of the leaf is sparsely covered with prostrate hairs. 
- Berries are short elliptical shaped.
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: period II, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Alval N is very vigorous. It grows erect to semi-erect but must be trained due to shoot vigor. Rather fertile, it can be managed in short or moderate long pruning. This variety is not very susceptible to coulure, millerandage or berry splitting.
Sensitivity to diseases and pests
Alval N is not susceptible to grey rot.
Technological potential
Alval N grape clusters are conical-shaped, large and not very compact. the berries are large, simple flavor, very colored with firm pulp with a resistant skin that is sometimes bitter. Yield potential of Alval N is high. The grapes have a very good storage capacity and good resistance to transportation.
Clonal selection in France
The only approved Alval N 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.
- Documentation interne du Domaine de Vassal. 1949-2011, INRA, Marseillan-plage.
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
1080    INRA        
 2004  Provence, Sud-Ouest