Petit Courbu B
Name of the variety in France

Petit Courbu
Origin

Petit Courbu is a native variety from the Pyrénées 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, Petit Courbu is officially listed in the "Catalogue of vine varieties" on the A list and classified. This variety is also listed in the catalogue of Spain.
Use

Wine grape variety.
Evolution of cultivated areas in France

1958 | 1968 | 1979 | 1988 | 1998 | 2008 | 2018 | |
---|---|---|---|---|---|---|---|
ha | 10 | 12 | 20 | 40 | 77 | 66 | 66 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a very high density of prostrate hairs,
- the reddish young leaves with bronze spots,
- the shoots with tendrils that wind around and cling on to each other,
- the medium, pentagonal adult leaves, with three or five, moderately deep and open upper lateral sinuses, a slightly open petiole sinus or with slightly overlapping lobes, very short teeth compared to their width at the base with convex or straight sides, a strong anthocyanin coloration of veins, a slightly revolute, strongly blistered and almost goffered leaf blade, and on the lower side of the leaves, a medium density of erect hairs and a medium to high density of prostrate hairs,
- the round-shaped berries.
- the tip of the young shoot with a very high density of prostrate hairs,
- the reddish young leaves with bronze spots,
- the shoots with tendrils that wind around and cling on to each other,
- the medium, pentagonal adult leaves, with three or five, moderately deep and open upper lateral sinuses, a slightly open petiole sinus or with slightly overlapping lobes, very short teeth compared to their width at the base with convex or straight sides, a strong anthocyanin coloration of veins, a slightly revolute, strongly blistered and almost goffered leaf blade, and on the lower side of the leaves, a medium density of erect hairs and a medium to high density of prostrate hairs,
- the round-shaped berries.
Genetic profile

Microsatellite | VVS2 | VVMD5 | VVMD7 | VVMD27 | VRZAG62 | VRZAG79 | VVMD25 | VVMD28 | VVMD32 |
---|---|---|---|---|---|---|---|---|---|
Allel 1 | 149 | 223 | 239 | 186 | 188 | 248 | 248 | 216 | 239 |
Allel 2 | 149 | 234 | 262 | 188 | 194 | 252 | 266 | 257 | 271 |
Phenology

Bud burst: 6 days after Chasselas.
Grape variety: late-season, 4 weeks and a half after Chasselas.
Grape variety: late-season, 4 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production

This variety is not very productive and is generally pruned long.
Susceptibility to diseases and pests

Petit Courbu is fairly susceptible to grey rot.
Technological potentiality

The bunches are small and the berries are very small. Petit Courbu produces fine, quality, aromatic wines of great finesse.
Clonal selection in France

The three certified Petit Courbu clones carry the numbers 813, 885 and 1062. Two conservatories of approxymately 190 clones have been splanted; one in the French department of Gers in 1997, and the other in the French department of Pyrénées-Atlantiques in 1999.
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
