Chenin B
Name of vine variety in France
Chenin
Origin
This vine variety is originally from the Loire Valley and seemingly from Anjou
Synonymy
There is no officially recognized synonym for this variety in France.In the European Union, Chenin B can officially be designated by other names: Chenin blanc (Cyprus, Czech Republic, Malta, Spain, Bulgaria) and Shanin (Bulgaria).
Regulations
In France, Chenin B is officially listed in the "Catalogue of vine varieties".This variety is likewise listed in the Catalogues of other European Union member states: Belgium, Bulgaria, Cyprus, Spain, Italy, Malta, Portugal and the Czech Republic.
Use
Wine grape variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 16594 14199 9552 9054 10042 9777 10090
Description
Identification signs include:
- tips of young shoots are densely covered with flat-lying hairs,
- young leaves have bronze patches,
- the 3 or 5-lobed adult leaves have a slightly open petiolar sinus, slightly overlapping, medium teeth with convex sides, with heavy  anthocyanic pigmentation of veins, bubbled leaf blade and the underside moderately covered with flat-lying hairs,
- Elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 225 239 172 188 248 240 233 255
Allel 2 149 229 257 186 194 252 248 247 271
Phenology
Bud burst: 1 day before Chasselas. Grape maturity: period II, 3 to 3 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Chenin B is a vigorous and fertile vine variety. production potential depneds alot on agronomic fertility of the soil and where it is grown. Il se montre sensible au grillage. Bud burst is early and after spring frost, the secondary buds demonstrate low fertility.
Sensitivity to diseases and pests
Chenin B is particularly susceptible to grey rot, powdery mildew and wood disease. It resists better to downy mildew, black rot and to anthracnose.
Technological potential
The clusters are medium to large and the berries are small to medium size. Depending on the growing conditions and the terroirs  (limestone, schists) this variety may be used to produce sparkling or white wines, or liqueur wine. Acidity potential is high and the wine produced is elegant, generally quite lively, nervy, with aromas of honey.
Clonal selection in France
The 8 approved Chenin B clones carry the numbers 220, 278, 416, 417, 624, 880, 982 and 1018. Over 200 clones are set up in a vineyard in Anjou since 1996.
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
220  Maine-et-Loire  ENTAV  medium  medium  high  
 1973  Val-de-Loire  medium    medium  
 6.01 ha    low to medium    refined, aromatic and powerful wines
Less compact grape clusters. Clone appreciated for its agronomic characteristics and quality of wines produced.
278  Maine-et-Loire  ENTAV  medium  medium  medium  
 1973  Val-de-Loire  medium      
 0.26 ha        balanced and highly distinctive wines
416  Maine-et-Loire  ENTAV  medium  high  low  
 1976  Val-de-Loire  high      
 0.53 ha  medium to high      distinctive wines of the vine variety
417  Maine-et-Loire  ENTAV  medium  high  low  
 1976  Val-de-Loire  high      
   medium to high      distinctive wines of the vine variety
624  Maine-et-Loire  ENTAV  medium to high  medium to high  medium  
 1979  Val-de-Loire  medium    low to medium  
 0.69 ha    medium to high    distinctive wines of the vine variety
Somewhat irregular production
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
880  Maine-et-Loire  ENTAV  low to medium  medium  high  
 1986  Val-de-Loire  medium to high      
 4.41 ha    low to medium    powerful, fatty and full-bodied wines
Clone appreciated for its agronomic characteristics and quality of wines produced.
982  Maine-et-Loire  ENTAV  medium  medium  high  
 1992  Val-de-Loire  medium      
 2.00 ha        fatty and powerful dry wines
Early maturity clone, appreciated for its agronomic characteristics and quality of wines produced.
1018  Maine-et-Loire  ENTAV  medium  medium  high  
 1994  Val-de-Loire  medium      
 1.72 ha    medium to high    well suited for the production of sweet wines
Early maturity clone, appreciated for its agronomic characteristics and quality of wines produced
1206  Maine-et-Loire  INRA - IFV  high  medium  high  
 2014  Val-de-Loire  low    medium  
     low to medium  medium to high  good aptitude for the production of quality sweet wine
Clone appreciated for its agronomic characteristics and quality of the wines obtained. Less compact grape clusters and less susceptible to gray rot
1207  Maine-et-Loire  INRA - IFV  medium  low  high  
 2014  Val-de-Loire  low    medium  
     medium  high  good aptitude for the production of quality sweet wine
Somewhat earlier clone, appreciated for its agronomic characteristics and quality of the wines obtained.
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
1208  Maine-et-Loire  INRA - IFV  medium to high  medium  high  
 2014  Val-de-Loire  medium to low    medium  
     medium  high  good aptitude for the production of quality sweet wine
Somewhat earlier clone, appreciated for its agronomic characteristics and quality of the wines obtained.
1209  Maine-et-Loire  INRA - IFV  low  medium  medium  
 2014  Val-de-Loire  medium to high    medium to high  
     medium  medium  Well suited for production of quality dry white wines
Later maturity clone with an average production level. Good results during the early years.