Chenanson N
Name of vine variety in France
Chenanson
Origin
This variety was obtained in 1958 by INRA by crossbreeding Grenache N and Jurançon N.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Chenanson N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1988 2000 2008 2016
ha 250 571 605 438
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs,
- the young leaves are yellow or green,
- herbaceous shoots with red internodes,
- adult leaves are orbicular hspaed, 5 lobes with an open U-shaped petiolar sinus, short to moderate size teeth compared to width at base, striaght sides with an absence of anthocyanin pigmentation and the underside with a moderate coat of flat-lying and upright hairs,
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 135 223 239 188 188 252 248 233 239
Allel 2 149 236 262 191 202 258 254 243 251
Phenology
Bud burst: 3 days after Chasselas.
Grape maturity: period II, 2 and 1/2 to 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Chenanson N is a very fertile variety which must be short pruned. Production should be managed, particularly in the beginning years since browning and black stem symptoms may appear (especially with   SO 4). This variety can be managed in gobelet and is adapted to hot and dry terroirs.
Sensitivity to diseases and pests
Chenanson N is not very susceptible to grey rot.
Technological potential
Grape clusters are large and the berries are small. This variety produces supple, generous and distinctive wines.
Clonal selection in France
The only approved Chenanson N clone carries the number 602.
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.
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
602    INRA        
 1978  Languedoc