Carcajolo blanc B
Name of the variety in France
Carcajolo blanc
Origin
Carcajolo blanc is a native variety from the vineyards of Corsica. It is not the white version of Carcajolo.
Synonyms
In France, this variety can officially be called "Carcaghjolu biancu" regarding plant propagation material. In Italy, Carcajolo blanc is officially designated as "Alvarega".
Legal information
In France, Carcajolo blanc 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
1958 1979 2018
ha 79 6 1.5
Descriptive elements
The identification is based on:
- the tip of the young shoot with a high density of prostate hairs,
- the yellow young leaves,
- the dark green adult leaves, with five, seven or nine lobes, deep U-shaped lateral sinuses, an open U-shaped petiole sinus, medium to long teeth with straight or convex sides, no anthocyanin coloration of veins, a blistered slightly revolute leaf blade, and on the lower side of the leaves, a low density of erect and prostate hairs,
- the round-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 188 188 248 238 235 261
Allel 2 153 244 247 191 204 250 254 235 271
Phenology
Bud burst: same as Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas.
Suitability for cultivation and agronomic production
Carcajolo blanc is a fairly productive variety and it requires careful training. It is reserved to hot and well-exposed terroirs in order to reach a proper maturation.
Susceptibility to diseases and pests
Carcajolo blanc is fairly susceptible to powdery mildew and to grey rot.
Technological potentiality
The bunches are large and the berries are medium to large in size. Carcajolo blanc has a low sugar accumulation potential. It produces average quality wines with good acidity but low alcoholic degree.
Clonal selection in France
The only certified Carcajolo blanc clone carries the number 1283. A conservatory of four clones was planted in 2005 in the Corsican wine-growing region.
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.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.
- Les cépages insulaires ou le Riacquistu des cépages corses. CRVI de Corse, 2016, San Giuliano, France.
- Registro nazionale delle varieta di vite. Ministère de l’agriculture italien, under the name "Alvarega", [web site, visited in 2020].
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
1283 Corse CRVI - IFV 2018