Admirable de Courtiller B
Name of vine variety in France
Admirable de Courtiller
Origin
This variety was obtained by Mr. Courtiller in the 19th century in the Saumur region. Based on genetic analyses carried out in Montpellier, it would result from the crossbreeding of Bicane and Chasselas.
Synonymy
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Regulations
In France, Admirable de Courtiller is officially listed in the "Catalogue of vine varieties"on the A list.
Use
Table grape variety.
Evolution of area under vines in France
1958 1968 1979 2000 2008 2018
ha 909 898 369 35 22 6.9
Description
The identification is based on:
- the tip of the young shoot with a medium to high density of prostate hairs,
- the green young leaves with bronze spots,
- the pentagonal adult leaves with five or seven lobes, a slightly open U-shaped petiole sinus or with slightly overlapping lobes, medium teeth with convex sides, no anthocyanin coloration of veins, a smooth, shiny leaf blade and on the lower side of the leaves, a medium density of erect hairs and, no or very low density of prostate hairs,
- the berries that are ellipsoid or ovoid, and which can become slightly pink when overripe.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 182 188 252 240 233 239
Allel 2 135 234 243 191 194 258 254 267 239
Phenology
Bud burst: 2 days after Chasselas.
Grape maturity: early-season, 1 week after Chasselas.
Suitability for cultivation and agronomic production
Admirable de Courtiller displays low to moderate vigor and has a semi-erect bearing. Its yield potential is moderate. It has a tendancy to produce a lot of grappillons and is sometimes sensitive to coulure and millerandage. It is preferable to grow Admirable de Courtiller on dry and well-exposed terrains.
Sensitivity to diseases and pests
Admirable de Courtiller is not very sensitive to rot.
Technological potential
Admirable de Courtiller's bunches are medium in size and not very compact. The berries are medium to large in size, simple flavored with a thin to medium skin and a juicy pulp.
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 et Solidaire, France.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.