Muscat à petits grains blancs B
Name of vine variety in France
Muscat à petits grains blancs
Origin
This variety would appear to originally be from Greece.
Synonymy
There is no officially recognized synonym for this variety in France.In the European Union, Muscat à petits grains blancs B can officially be called by other names: Gelber Muskateller (Germany), Moscato (Germany, Malta, under certain conditions in Italy), Muscat (Germany), Muscat blanc (Germany), Muskateller  Gelber (Germany), Moscatel de Grano Menudo (Spain), Moscatel Morisco (Spain), Moscatel de Frontignan (Spain), Moscatel Galego Branco (Portugal), Moscato Bianco (Italy, Malta), Muscat de Chambave (Italy), Moscatello (Italy, under certain conditions), Moscatellone (Italy, under conditions, Muscat (Italy, under conditions), Moschato aspro (Greece), Moscato spinas (Greece), Moschato Mazas (Greece), Moschato aspro Β (Greece), Moschato Spinas (Greece), Muškat (Slovenia), Muskat Peti Gran (Bulgaria), Tamianka (Bulgaria), Muškát žltý  (Czech Republic. Slovakia), Muskatel (Malta), Rumeni muškat (Slovenia), Sárga muskotály (Hungary).
Regulations
In France, Muscat à petits grains blancs B is officially listed in the "Catalogue of vine varieties".

This vine variety is likewise listed in the Catalogues of other European Union member states: Germany, Austria, Bulgaria, Cyprus, Spain, Greece, Italy, Hungary, Malta, Portugal, Czech Republic, Slovakia and Slovenia.
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 2297 3032 3720 4639 6058 7370 7674
Description
Identification signs include:
- the tips of the young shoot have a very dense coat of flat-lying hairs,
- young leaves are very bronze, shoots with long tendrils,
- adult leaves are dark green, orbicular, 3 or 5-lobed, slightly open or closed V-shaped petiole sinus, moderate to large teeth, straight sides and moderate to long compared to width at base; absence of anthocyanin coloration of veins; bubbled leaf blade, frequently wavy between the principle veins near the petiole point, and the underside with a sparse coat of upright and flat-lying hairs,
- round-shaped berries with muscatée flavor.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 225 233 176 186 252 240 245 263
Allel 2 131 234 249 191 196 256 248 267 271
Phenology
Bud burst: as with Chasselas.
Grape maturity: period II, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Moderate vigor variety with upright or semi-erect growth, must be short pruned. This variety is particularly adapted to limestone terroirs.
Sensitivity to diseases and pests
Muscat à petits grains blancs B is sensitive to powdery mildew, grey rot and hymenoptera. It is likewise very sensitive to mites.
Technological potential
The grape clusters are small and the berries moderate size. This variety can produce dry white wine, natural sweet wine and sparkling wine. It can likewise be used blended (with a small percentage) to provide aromatic nuances in neutral wines. Muscat à petits grains blancs B has a high sugar potential with good acidity balance, and intense, powerful and delicate flavor.
Clonal selection in France
The 13 approved Muscat à petits grains blancs B clones carry the numbers 154, 155, 156, 157, 452, 453, 454, 455, 576, 577, 578, 579 and 826. A conservatory of 110 clones has been set up in Aude since 1995. Recent surveys have led to setting up a second conservatory involving a hundred or so clones in the vineyards in Die (Drôme) in 2007.
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.
- Cépages et vignobles de France, tome 2. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.
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
154  Lot-et-Garonne  INRA  medium  medium  low to medium  
 1971  Languedoc-Roussillon  medium    medium to high  
 8.57 ha  low  medium    distinctive wines of the vine variety
Wines which are the most appreciated in wine tastings
155  Non précisée  INRA        
 1971          
         
Small distribution clone
156  Aveyron  INRA  medium  medium  low  
 1972  Languedoc-Roussillon  low to medium    low to medium  
 0.75 ha  medium  medium    distinctive wines of the vine variety
157  Non précisée  INRA        
 1972          
         
Small distribution clone
452  Drôme  ENTAV  medium  medium to high  medium  
 1976  Languedoc-Roussillon
Vallée-du-Rhône
 medium    low  
   high  medium    distinctive wines of the vine variety
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
453  Drôme  ENTAV  medium to high  medium to high  high  
 1976  Languedoc-Roussillon  medium to high    medium to high  
 0.93 ha  low to medium  low to medium    distinctive wines of the vine variety
454  Drôme  ENTAV  medium to high  high  medium to high  
 1976  Languedoc-Roussillon  medium to high    high  
 0.48 ha  medium to high  medium to high    distinctive wines of the vine variety
455  Drôme  ENTAV  high  high  medium  
 1976  Languedoc-Roussillon  high    medium to high  
 1.62 ha  medium  medium to high    distinctive wines of the vine variety
576  Hérault  ENTAV  medium  medium  medium to high  
 1978  Languedoc-Roussillon  medium      
         distinctive wines of the vine variety
577  Lot-et-Garonne  ENTAV  medium  medium  medium to high  
 1978  Languedoc-Roussillon
Vallée-du-Rhône
 medium      
         distinctive wines of the vine variety
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
578  Drôme  ENTAV  medium  medium  medium  
 1978  Languedoc-Roussillon  medium      
         distinctive wines of the vine variety
579  Drôme  ENTAV  medium  medium  medium to high  
 1978  Languedoc-Roussillon  medium      
 0.33 ha        distinctive wines of the vine variety
826  Pyrénées-Orientales  ENTAV  medium  medium  medium to high  
 1985  Languedoc-Roussillon  medium    medium to high  
 1.26 ha        distinctive wines of the vine variety
More upright growth