Perdea B
Name of vine variety in France
Perdea
Origin
This vine variety was obtained by INRA in 1954 and is derived from the crossbreeding of Raffiat de Moncade B and Chardonnay B.
Synonymy
Regulations
In France, Perdea B is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1988 2000 2008 2016
ha 3 3 9 3 1.9
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs,
- the young leaves are green or yellow,
- orbicular and whole adult leaves with a slightly open petiolar sinus or with slightly overlapping lobes; short to moderate size teeth compared to width at base with convex sides; an absence of anthocyanin coloration of veins, flat leaf blade and the underside with a slight coat of upright hairs,
- round-shaped or slightly flat berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 232 243 186 188 246 240 227 239
Allel 2 141 238 249 186 188 252 254 233 271
Phenology
Bud burst: 7 days after Chasselas. Grape maturity: period III, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
This vine variety displays good vigor. It can be managed by moderate long pruning and preferably trained even though it grows fairly erect.  This vine variety is sometimes a bit susceptible to millerandage but good yields are produced.
Sensitivity to diseases and pests
Perdea B is not very susceptible to grey rot.
Technological potential
Grape clusters are large and the berries are small to moderate in size. Perdea B produces pleasant dry and quality white wines, which are generally aromatic and sufficiently acid.
Clonal selection in France
The only approved Perdea B clone carries the number 742.
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
742    INRA        
 1982  Bordelais, Sud-Ouest