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 prostate 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 prostate 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.
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 - 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
Identity and availability Agronomic data Technological data Autres informations
Clone no. Marque Origin Selection Year of
certification
Agronomic
references
Surface area used
for propagation (year)
Fertility Production
level
Bunch
weight
Vigor Berry
size
Susceptibility
to grey rot
Sugar
level
Color
potential
Titrable
acidity
Tannic
structure
Aromatic
intensity
Oenological
suitability
New General
note
Agro-tecnic
note
Note
agronomique
Agronomic
note
Links
813 Pyrénées-Atlantiques INRA 1985 Sud-Ouest 0.51 ha medium medium medium medium medium representative wines of the variety
885 Pyrénées-Atlantiques INRA 1986 Sud-Ouest 0.35 ha medium to high medium medium representative wines of the variety clone with longer internodes
1062 Pyrénées-Atlantiques CA 64 - ENTAV 2001 Sud-Ouest medium low to medium low to medium medium to high medium balanced, fat and concentrated wines