Perlaut B
Name of vine variety in France
Perlaut
Origin
The only approved Perdin B clone carries the number 5003.
Synonymy
Regulations
In France, Perlaut B is officially listed in the "Catalogue of vine varieties".

This variety is likewise listed in the Catalogue of Portugal.
Use
Table grape vine variety
Evolution of area under vines in France
2000 2016
ha 1 0
Description
Identification signs include:
- the tip of the young shoot has a moderate coat of flat-lying hairs,
- young leaves are yellow with bronze patches,
- adult leaves are orbicular, 3 or 5 lobes with a closed petiolar sinus or with slightly overlapping lobes with a V-shaped base, moderate size teeth, mucronate, with one side concave and the other convex; low anthocyanin coloration of veins, a moderately bubbled leaf blade and the underside with a slight coat of flat-lying and upright hairs. 
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 247 178 186 260 238 216 261
Allel 2 131 234 249 178 204 260 240 233 271
Phenology
Bud burst: 1 day before Chasselas. Grape maturity: early, 1 week before Chasselas.
Suitability for cultivation and agronomic production
Perlaut B displays low to moderate vigor and grows semi-erect to horizontal. This vine variety must be trained and can be managed short or long-pruned.
Sensitivity to diseases and pests
Perlaut B is not very susceptible to grey rot.
Technological potential
Grape clusters are moderate in size, supple and not very compact. The berries are also moderate in size with a thin skin and juicy pulp. They tend to wilt when overripe. This variety has bad storage and transportation capacity.
Clonal selection in France
The only approved Perlaut B clone carries the number 502.
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
502    INRA        
 1976