Datal B
Name of vine variety in France
Datal
Origin
This variety was obtained in 1956 by INRA by crossbreeding Dattier de Beyrouth B and Muscat d’Alexandrie B.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Datal 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
2016
ha 0
Description
Identification signs include:
- the tips of the young shoot have a slight coat of flat-lying hairs
- the young leaves are green with bronze patches,
- adult leaves are orbicular or wedge shaped, 5 or 7 lobes with a U-shaped petiollar sinus, open with parallel edges; moderate size teeth, long compared to width at base, straight sides, slight or moderate anthocyanin pigmentation of veins, smooth and jagged leaf blade and the underside with a slight coat of upright hairs and an absence of flat-lying hairs,
- berries are short elliptical or obovoid shaped.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 133 223 239 182 186 248 248 233 271
Allel 2 147 229 249 191 188 252 248 267 271
Phenology
Bud burst: 2 days before Chasselas.
Grape maturity: period II, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Datal B displays moderate vigor and its production potential level is ligh. The shoots grow semi-erect or horizontal. It must be trained and short pruned. It is not very susceptible to coulure but can sometimes be affected by millerandage.
Sensitivity to diseases and pests
Datal B is a little susceptible to grey rot.
Technological potential
Datal B grape clusters are very large with a long and not very lignified stalk. The berries are very large and the pulp is firm, not very juicy with a simple flavor and seeds. The greapes must be well exposed in order to obtain good coloration. This variety has a fairly good long distance transport capacity.
Clonal selection in France
The only approved Datal B clone carries the number 500.
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
500    INRA        
 1976