Jaoumet B
Name of the variety in France

Jaoumet
Origin

This table grape variety is originally from the Roussillon region.
Synonyms

There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information

In France, Jaoumet is officially listed in the "Catalogue of vine varieties" on the A list.
Use

Table grape variety.
Evolution of cultivated areas in France

1958 | 1968 | 1979 | 2000 | 2018 | |
---|---|---|---|---|---|
ha | 341 | 244 | 66 | 3 | ND |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a high density of prostrate hairs,
- the yellow young leaves,
- the circular adult leaves, with three, five or seven lobes, deep lateral sinuses, an open U-shaped petiole sinus, medium teeth with straight sides, a weak anthocyanin coloration of veins, a smooth twisted leaf blade, and on the lower side of the leaves, no erect hairs and a low density of prostrate hairs,
- the round-shaped berries.
- the tip of the young shoot with a high density of prostrate hairs,
- the yellow young leaves,
- the circular adult leaves, with three, five or seven lobes, deep lateral sinuses, an open U-shaped petiole sinus, medium teeth with straight sides, a weak anthocyanin coloration of veins, a smooth twisted leaf blade, and on the lower side of the leaves, no erect hairs and a low density of prostrate hairs,
- the 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 before Chasselas.
Grape maturity: early-season, same as Chasselas.
Grape maturity: early-season, same as Chasselas.
Suitability for cultivation and agronomic production

Jaoumet is an early variety, moderately vigorous with a semi-erect bearing which can be pruned short. Jaoumet has shown to be incompatible with the 57 Richter rootstock.
Susceptibility to diseases and pests

Jaoumet is susceptible to grey rot.
Technological potentiality

The bunches are compact and small to medium in size. The berries have a simple flavor and are also small to medium in size with a thin skin and juicy pulp.
Clonal selection in France

The only certified Jaoumet clone carries the number 1319.
Bibliographic references


- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
Description of clones certified in France
