Roublot B
Name of the variety in France
Roublot
Origin
This variety is originally from the Yonne region and based on published genetic analyses, would be the result of the crossbreeding between Pinot and Gouais blanc.
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, Roublot is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine grape variety.
Evolution of cultivated areas in France
2018
ha 0
Descriptive elements
The identification is based on:
- the tip of the young shoot with a medium density of prostate hairs,
- the yellow young leaves with bronze spots,
- the adult leaves with five or seven lobes (the central lobe is divided), a slightly open petiole sinus or with slightly overlapping lobes, medium to long teeth compared to their width at the base with straight sides, a moderate anthocyanin coloration of veins, a twisted, revolute and blistered leaf blade, and on the lower side of the leaves, a medium density of erect hairs,
- the broad ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 225 239 178 194 240 238 216 249
Allel 2 135 238 239 182 196 244 238 245 271
Phenology
Bud burst: same as Chasselas.
Grape maturity: early-season, 1 week and a half after Chasselas.
Suitability for cultivation and agronomic production
Roublot has a semi-erect bearing. Its fertility is Good but irregular, which is why it must be pruned long.
Susceptibility to diseases and pests
Roublot is susceptible to powdery mildew and grey rot.
Technological potentiality
The bunches and berries are small. Roublot produces fine white wines with a deep yellow color and certain aromatic typicity.
Clonal selection in France
There is no certified clone for this variety yet.
Bibliographic references
- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- 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.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.