Onchette N
Name of the variety in France
Onchette
Origin
This variety is native to the Isère region. Based on genetic analyses carried out in Montpellier, Onchette would result from the crossbreeding of Gouais blanc and Chatus.
Synonyms
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information
In France, Onchette is officially listed in the "Catalogue of vine varieties" since 2016 on the A list and classified.
Use
Wine grape variety.
Evolution of cultivated areas in France
2018
ha 0.1
Descriptive elements
The identification is based on:
- the white tip of the young shoot with a high density of prostate hairs and a piping distribution of anthocyanin coloration,
- the yellowish young leaves with bronze spots,
- the shoots with red internodes,
- the circular, medium to large, bluish-green, mate adult leaves, entire or with three lobes, with shallow upper lateral sinuses, an open or slightly open V-shaped petiole sinus, short teeth compared to their width at the base with straight or convex sides, a weak anthocyanin coloration of veins, a revolute or slightly twisted leaf blade, undulate between the veins, and on the lower side of the leaves, a medium density of erect and prostate hairs,
- the round-shaped or slightly ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 135 223 239 176 196 244 238 235 249
Allel 2 141 232 249 178 196 252 254 245 271
Phenology
Bud burst: 3 days after Chasselas.
Grape maturity: mid-season, 2 weeks and a half to 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Onchette is moderately to highly vigorous and has an erect bearing. This variety shows good fertility when pruned short.
Susceptibility to diseases and pests
Onchette is very sensitive to grey rot.
Technological potentiality
Onchette’s bunches are small to medium, cylindrical and rather compact. The berries are medium, simple-flavored, with a thin skin and a juicy pulp. Onchette produces light, not very alcoholic, quite lively wines with fruity, spicy and peppery aromas.
Clonal selection in France
There is no certified clone for this variety yet.
Bibliographic references
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.