Madeleine de Clermont B
Name of vine variety in France
Madeleine de Clermont
Origin
Based on genetic analyses carried out in Montpellier, this vine variety is derived from the crossbreeding of  Madeleine angevine B and Chasselas B.
Synonymy
No synonym is officially recognized in France for this variety, nor in other countries in the European Union.
Regulations
In France, Madeleine de Clermont B is officially listed in the "Catalogue of vine varieties".
Use
Table grape vine variety.
Evolution of area under vines in France
2008 2016
ha 7 0
* areas under vines for all Madeleine not including Madeleine royale B
Description
Identification signs include:
- the tip of the young shoots has a heavy coat of flat-lying hairs
- green young leaves with bronze patches,
- orbicular or wedge-shaped adult leaves, 3 or 5 lobes, a petiolar sinus with a U-shaped base, closed or with slightly overlapping lobes; short to moderate size teeth with straight sides, an absence of vein pigmentation; strongly bubbled leaf blade, somtimes cupped and the underside with a sparse coat of flat-lying and upright hairs,
- round-shaped or slightly flat berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 141 234 247 182 194 250 240 243 239
Allel 2 153 238 247 191 204 252 240 267 271
Phenology
Bud burst: 4 days before Chasselas.
Grape maturity: early, 1 and 1/2 weeks before Chasselas.
Suitability for cultivation and agronomic production
Bud burst: 4 days before Chasselas.
Grape maturity: early, 1 and 1/2 weeks before Chasselas.
Sensitivity to diseases and pests
Madeleine de Clermont B is not very susceptible to grey rot.
Technological potential
Grape clusters are moderate in size and compact. The berries have a simple flavor and are moderate size with thin skin.
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.
- Dictionnaire encyclopédique des cépages. P. Galet, 2000, Ed. Hachette, Paris.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.