Baroque B
Name of vine variety in France
Baroque
Origin
This variety was originally from Gascogne and was developped after the powdery mildew crisis and was identified at the end of the 19th century.
Synonymy
No synonym is officially recognized in France, nor in other countries in the European Union.
Regulations
In France, Baroque B is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 5656 5302 1575 451 288 132 58
Description
Identification signs include:
- the tip of the young shoot has a very thick coat of flat-lying hairs,
- the young leaves are yellow,
- herbaceous shoot with red internodes,
- pentagonal shaped adult leaves, whole, 3 or 5-lobed with a closed petiolar sinus, an elongated central lobe; moderate size teeth with straight sides, moderate anthocyanin pigmentation, bubbled leaf blade and the underside with a moderate coat of upright and flat-lying hairs, 
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 196 244 238 245 239
Allel 2 153 232 249 186 200 256 254 267 239
Phenology
Bud burst: 6 days after Chasselas.
Grape maturity: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
This variety is vigorous and grows upright and is usually managed by long pruning. Difficulty with maturation may occur under intense drought conditions.
Sensitivity to diseases and pests
Baroque B, due to its compact grape clusters is very susceptible to grey rot. On the other hand, it resists fairly well to powdery mildew and to black rot.
Technological potential
Grape clusters are berries are moderate in size. The qulity potenital of thsi variety is intersting and the wines produced are rather fine, lively and fruity.
Clonal selection in France
The 4 approved Baroque B clones carry the numbers 351, 390, 391 and 392. A conservatory of 50 or so Baroque B clones was planted in the spring of 2007 in the Landes region.
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.
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
351  Landes  ENTAV        
 1975  Gers-Landes        
         
Little difference between 4 small distribution Baroque B clones (351, 390, 391, 392). Clone 351 has a slightly higher degree than the others. All 4 clones can produce good distinctive dry white wine.
390  Landes  ENTAV        
 1975  Gers-Landes        
         
Little difference between 4 small distribution Baroque B clones (351, 390, 391, 392). Clone 351 has a slightly higher degree than the others. All 4 clones can produce good distinctive dry white wine.
391  Landes  ENTAV        
 1975  Gers-Landes        
         
Little difference between 4 small distribution Baroque B clones (351, 390, 391, 392). Clone 351 has a slightly higher degree than the others. All 4 clones can produce good distinctive dry white wine.
392  Landes  ENTAV        
 1975  Gers-Landes        
         
Little difference between 4 small distribution Baroque B clones (351, 390, 391, 392). Clone 351 has a slightly higher degree than the others. All 4 clones can produce good distinctive dry white wine.