Touriga nacional N
Name of vine variety in France
Touriga nacional
Origin
This variety is originally from Portugal.
Synonymy
Regulations
Use
Wine grape variety.
Evolution of area under vines in France
2008 2016
ha 1 8
Description
Identification signs include:
- the tips of the young shoot have a very dense coat of flat-lying hairs,
- the young leaves are green,
- adult leaves are orbicular or orbiculo-reniform, 5-lobed, with an open or slightly open petiole sinus, U-shaped lateral sinuses, very short teeth compared to width at base, straight or concave sides; wavy leaf blade between veins, slightly bubbled and the underside with a moderate coat of flat-lying and upright hairs,
- elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 141 223 239 178 188 246 248 233 239
Allel 2 149 234 239 186 194 246 254 267 271
Phenology
Bud burst: 2 days after Chasselas.
Grape maturity: period II, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Touriga nacional N is a variety with moderate vigor. It can be managed with long pruning. Shoots grows semi-erect. This variety must be trained. Avoid planting in soils that are too superficial.
Sensitivity to diseases and pests
Touriga nacional N is not particularly sensitive to fungal disease except for phomopsis.
Technological potential
Touriga nacional N grape clusters are small with rather long stalks. Berries are small to moderate size. This variety can produce excellent quality, complex, aromatic, full-bodied, structured, very colorful and capable of ageing wines.
Clonal selection in France
The only approved Touriga nacional N clone carries the number 1201.
Bibliographic references
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
1201  Hérault  IFV - INRA        
 2013  Languedoc-Roussillon        
         distinctive wines of the vine variety