Jaoumet B
Name of vine variety in France
Jaoumet
Origin
This table grape variety is originally from the Roussillon region.
Synonymy
No synonyms are officially recognized for this variety in France, nor in other countries of the European Union.
Regulations
In France, Jaoumet B is officially listed in the "Catalogue of vine varieties".
Use
Table grape variety
Evolution of area under vines in France
1958 1968 1979 2000 2016
ha 341 244 66 3 0
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs,
- the young leaves are yellow,
- adult leaves are orbicular, 3, 5 or 7 lobes with deep lateral sinuses, an open petiolar sinus, moderate size teeth with straight sides, low anthocyanin pigmentation of veins, smooth leaf blade, jagged and the underside with a slight coat of flat-lying hairs and an absence of upright hairs,
- round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 236 233 182 188 240 238 233 251
Allel 2 131 238 239 191 196 258 240 233 271
Phenology
Bud burst: 3 days after Chasselas.
Grape maturity: period I, same as Chasselas.
Suitability for cultivation and agronomic production
Jaoumet B is an early vine variety, moderately vigorous with semi-erect growth which can be short-pruned. Jaoumet B has shown to be incompatible with the 57 Richter root stock.
Sensitivity to diseases and pests
Jaoumet B is susceptible to grey rot.
Technological potential
The grape clusters are compact and small to moderate in size. The berries have a simple flavor and are likewise small to moderate in size with a thin skin and juicy pulp.
Clonal selection in France
There are no approved clones for this variety at the present time.
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 1. P. Galet, 1990, Ed. Dehan, Montpellier.