Monbadon B
Name of vine variety in France
This vine variety is traditionally grown in the West of France (Charentes, Gironde) and based on published analyses results from the crossbreeding of Ugni blanc B and Folle blanche B.
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 2016
ha 1786 1254 129 2.5
Identificationsigns include:
- the tip of the young shoot has a dense coat of flat-lying hairs,
- the young leaves are yellowish green or with slightly bronze patches,
- pentagonal-shaped adult leaves, 5, 7 or 9 lobes with deep lateral sinuses with a U-shaped base and a slightly open or closed petiolar sinus; moderate size teeth with convex sides; an absence of anthocyanin coloration of veins; a flat or slightly upturned and finely bubbled leaf blade and the underside with a moderate coat of flat-lying and upright hairs, 
- round-shaped and occasionally slight flat-shaped berrries.
Genetic profile
Allel 1 141 223 239 176 194 244 240 243 271
Allel 2 149 229 249 178 196 252 248 245 271
Bud burst: 6 days after Chasselas. Grape maturity: period II, 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Monbadon B is very productive and moderately vigorous. The shoots display erect growth.
Sensitivity to diseases and pests
Monbadon B is not very susceptible to powdery and downy mildew. It is on the other hand more susceptible to grey rot.
Technological potential
Monbadon B grape clusters are compact and large to very large and the berries are moderate to large. This grape variety can produce acid and neutral wines with low alcohol content usually used for distillation purposes.
Clonal selection in France
There are no existing approved clones for this vine variety.
Bibliographic references
Description of clones approved in France
Identity and availability Agronomic data Technical data
Clone number Origin Selection Fertility Production level Sugar content Potential color
Year approved Agronomic references Weight of grape clusters Vigor Total acidity Tannic structure
Growing surface area Size of berries Sensitivity to Botrytis Aromatic intensity Oenological aptitudes
1258  Charente  CVC - IFV