Chatus N
Name of vine variety in France
Chatus
Origin
This vine variety can be found in the south of the Massif Central, in the Alpes (Dauphiné, Savoie) and in northern Italy. (Piedmont region).
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Chatus N is officially listed in the "Catalogue of vine varieties".
This variety is likewise listed in the Catalogue of Italy.
Use
Wine grape variety
Evolution of area under vines in France
1958 1988 2000 2008 2016
ha 60 18 23 57 69
Description
Identification signs include:
- the tips of the young shoots have a heavy coat of flat-lying hairs,
- the young leaves have bronze patches,
- adult leaves are pentagonal-shaped, 3 or 5 lobes with a closed petiolar sinus and a V-shaped base with parallel or overlapping edges, upper lateral sinuses with occasionally a tooth at the base, moderate size teeth with straight sides, a jagged leaf blade, slightly revolute, bubbled and and cupped and the underside with a sparse to moderate coat of flat-lying and upright hairs, 
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 188 252 238 216 239
Allel 2 135 225 249 191 194 252 240 235 271
Phenology
Bud burst: 5 days after Chasselas.
Grape maturity: period II, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Chatus N is a fairly fertile variety with upright growth. It can be managed short or long pruned. The vigor of this variety is such that it can be planted in fairly poor and dry soils. Chatus N appears well adapted to acid soils. .
Sensitivity to diseases and pests
Chatus N is a little susceptible to downy and powdery mildew.
Technological potential
Grape clusters are moderate to large size and the berries are small. Chatus N produces very colored, fairly acid and especially very tannic wines.
Clonal selection in France
The only approved Chatus N clone carries the number 1046. A conservatory of 60 or so clones was planted in 2001 in the Ardèche region further to surveys carried out in the south of the Massif Central and in Italy.
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.
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
1046  Ardèche  ENTAV  low  low  medium  
 1998  Rhône-Alpes      medium  
 0.25 ha