Ganson N
Name of the variety in France

Ganson
Origin

This variety was obtained in 1958 by INRA by crossbreeding Grenache and Jurançon.
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, Ganson is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use

Wine grape variety.
Evolution of cultivated areas in France

1988 | 2000 | 2008 | 2018 | |
---|---|---|---|---|
ha | 30 | 12 | 6 | 4.9 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a medium density of prostrate hairs,
- the green young leaves with bronze spots,
- the shoots with red-striped internodes,
- the circular adult leaves, with three or five lobes, shallow lateral sinuses, a closed petiole sinus or with overlapping lobes, small teeth, short to medium with straight sides, no anthocyanin coloration of veins, and on the lower side of the leaves, a low to medium density of erect hairs,
- the round-shaped berries.
- the tip of the young shoot with a medium density of prostrate hairs,
- the green young leaves with bronze spots,
- the shoots with red-striped internodes,
- the circular adult leaves, with three or five lobes, shallow lateral sinuses, a closed petiole sinus or with overlapping lobes, small teeth, short to medium with straight sides, no anthocyanin coloration of veins, and on the lower side of the leaves, a low to medium density of erect hairs,
- the round-shaped berries.
Genetic profile

Microsatellite | VVS2 | VVMD5 | VVMD7 | VVMD27 | VRZAG62 | VRZAG79 | VVMD25 | VVMD28 | VVMD32 |
---|---|---|---|---|---|---|---|---|---|
Allel 1 | 135 | 223 | 239 | 188 | 188 | 258 | 248 | 243 | 239 |
Allel 2 | 149 | 236 | 243 | 191 | 196 | 260 | 254 | 245 | 239 |
Phenology

Bud burst: 6 days after Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production

This variety is fairly early and has an erect bearing. It has a steady production and is sufficiently fertile to be pruned short and trained in gobelet.
Susceptibility to diseases and pests

Ganson is not very sensitive to grey rot.
Technological potentiality

The bunches and berries are large. Ganson produces fine wines which are not very colored and not very typical.
Clonal selection in France

The only certified Ganson clone carries the number 534.
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 - Montpellier SupAgro, 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 - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
Description of clones certified in France
