Meslier Saint-François B
Name of the variety in France
Meslier Saint-François
Origin
This variety is originally from the west of Fance and based on published genetic analyses would be the result of the crossbreeding between Gouais blanc and Chenin.
Synonyms
In France, this variety can officially be called "Gros Meslier" regarding plant propagation material.
Legal information
In France, Meslier Saint-François is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine and spirits grape variety.
Evolution of cultivated areas in France
1958 1968 1979 1988 2000 2008 2018
ha 2336 1851 589 221 60 30 8
Descriptive elements
The identification is based on:
- the tip of the young shoot with a high density of prostate hairs, 
- the green young leaves,
- the shoots with red internodes,
- the small to medium, dark green adult leaves, entire or with five lobes, with shallow U-shaped lateral sinuses, a slightly open or closed petiole sinus, teeth with convex sides, moderate anthocyanin coloration of veins, a thick, blistered, slightly involute and twisted leaf blade, and on the lower side of the leaves, a medium density of erect hairs and a medium to high density of prostate hairs,
- the round-shaped or broad ellipsoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 229 239 172 188 238 238 227 271
Allel 2 131 232 239 176 196 248 240 233 271
Phenology
Bud burst: 3 days before Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
This early budburst variety is susceptible to spring forsts. Meslier Saint- François is fertile but has low to moderate vigor.
Susceptibility to diseases and pests
This variety is not very susceptible to black rot and downy mildew. However, it is rather sensitive to powdery mildew and very sensitive to sour rot.
Technological potentiality
The bunches and berries are medium in size. This variety produces rather flat and light wines, with low alcohol degree. The spirits made from these wines are fine and have a nice bouquet.
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.