Tressot N
Name of vine variety in France
Tressot
Origin
This vine variety would appear to be originally from the Yonne region.
Synonymy
Regulations
In France, Tressot N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine grape variety
Evolution of area under vines in France
2016
ha 0.3
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs,
- the young leaves are green with bronze patches,
- adult leaves have 5 lobes with a closed petiolar sinus with very overlapping lobes, deep lateral sinuses occasionally with a tooth at the base; short teeth compared to width at base, absence of anthocyanin coloration of veins; jagged, cupped, folded leaf blade, sometimes wavy near the petiolar point and the underside with a slight coat of upright and flat-lying hairs, 
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 137 223 239 176 194 246 238 216 239
Allel 2 141 236 249 186 200 256 254 267 239
Phenology
Bud burst: 8 days after Chasselas.
Grape maturity: period II, 2 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Tressot N is generally long pruned and trellised.
Sensitivity to diseases and pests
Tressot N is particularly susceptible to powdery mildew.
Technological potential
Grape clusters are moderate size and the berries are small. Tressot N produces rather colored, full-bodied and warm wines.
Clonal selection in France
There are no approved clones for this vine 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 1. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.