Baco blanc B
Name of the variety in France
Baco blanc
Origin
Baco blanc was obtained by François Baco (Landes). This interspecific hybrid results from the crossbreeding of Folle blanche and Noah (Vitis labrusca - Vitis riparia).
Synonyms
In France, this variety can officially be called "Baco 22 A" regarding propagation plant material.
Legal information
In France, Baco blanc is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine and spirits grape variety.
Evolution of cultivated areas in France
1958 1968 1979 1988 2000 2008 2018
ha 24427 20013 8995 4255 2552 1020 787
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 shoots with an absence of anthocyanin coloration and with 2 or less consecutive tendrils,
- the large, circular or wedge-shaped adult leaves, entire or with three or five lobes, with deep U-shaped lateral sinuses, an open V or U-shaped petiole sinus, short teeth compared to their width at the base with straight sides, no anthocyanin coloration of veins, a moderately or heavily blistered leaf blade, and on the lower side of the leaves, a high density of prostate hairs of the blade and none or in a very low density on the veins,
- the round-shaped berries, with a soft pulp and a slightly foxy flavor.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 122 223 235 178 196 244 238 243 249
Allel 2 131 223 239 184 206 250 238 257 271
Phenology
Bud burst: 6 days after Chasselas.
Grape maturity: late-season, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
Baco blanc is moderately to strongly vigorous and has a semi-erect bearing. It is sensitive to chlorosis.
Susceptibility to diseases and pests
Baco blanc is sensitive to phylloxera, flavescence dorée, powdery mildew, downy mildew on the leaves and to mites. On the other hand, it is not very susceptible to grey rot.
Technological potentiality
Baco blanc's bunches and berries are medium to large in size. This variety produces wines used for making good quality spirtis.
Clonal selection in France
The only certified Baco blanc clone carries the number 1086. A conservatory of twenty or so clones was planted in the French department of Landes in 2006.
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.
- Cépages et vignobles de France, tome 1. P. Galet, 1988, Ed. Dehan, Montpellier, 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
1086 Non précisée CA 32 - ENTAV 2004 Clone consistent with the characteristics of the variety.