Gascon N
Name of vine variety in France
Gascon
Origin
This vine variety is originally from the north of France.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Gascon N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety.
Evolution of area under vines in France
1958 1968 1979 1988 1998 2000 2008 2016
ha 51 27 5 7 1 1 1 1
Description
Identification signs include:
- the tips of the young shoot have a heavy coatof flat-lying hairs,
- the young leaves are yellow,
-adult leaves are dark green orbicular-shaped, whole of with 3 or 5 lobes, with a closed petiolar sinus with overlapping lobes,  moderate size teeth with straight sides, absence of anthocyanin pigmentation of veins; a sometimes cupped leaf blade, bubbled and the underside with a moderate coat of upright and flat-lying hairs, 
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 188 246 238 216 239
Allel 2 141 223 243 186 194 260 254 233 239
Phenology
Bud burst: 6 days after Chasselas.
Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
This variety is fairly vigorous and can be grown in various conditions. Preference is given to short pruning.
Sensitivity to diseases and pests
Gascon N is rather susceptible to grey rot. It is less sensitive to downy mildew.
Technological potential
Grape clusters are moderate siized and the berries are small. Gascon N produces very colored, lively, acid wines with a medium degree of alcohol. Full matruity is necessary to obtain a good quality product.
Clonal selection in France
There are no approved clones for this 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 2. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.