Grapevines Grenache Blanc

Grenache blanc plants

Origin

This variety corresponds to the white mutation of Grenache N and was originally found in the provinces of Barcelona and Tarragona in Spain.

Synonymy

No synonym is officially recognized in France for this variety.In the European Union, Grenache blanc B can be officially be called by other names: Garnacha Blanca (Spain) and Lladoner Blanco (Spain).

Regulations

In France, Grenache blanc B is officially listed in the "Catalogue of vine varieties".

This variety is likewise listed in the Catalogues of other European Union member countries: Bulgaria, Cyprus, Spain and Greece.

Use

Wine grape variety.

Phenology

Bud burst: 4 days after Chasselas.

Grape maturity: period II, 3 and 1/2 weeks after Chasselas.

Suitability for cultivation and agronomic production

• This variety appears less sensitive to shot berries than Grenache N and is a little earlier.
• It shows good wind resistance;
• Upright growth and is well adapted to drought conditions (gravely, stony soils).
• Like other types of Grenache, Grenache blanc B easily displays signs of magnesium deficiency.

Sensitivity to diseases and pests

• Grenache blanc B is very sensitive to grey rot, phomopsis, downy mildew and bacterial diseases.
• On the other hand, it is rarely affected by powdery mildew, "grillure" leafhoppers and mites.

Technological potential

• The clusters are large while the berries are moderate size.
• Grenache blanc B is used for making naturally sweet wine and also for making interesting white wine with a long after taste, fatty and full bodied, but someimes lacking a bit of acidity.

Clonal selection in France

The two approved Grenache blanc B clones carry the numbers 141 and 143.

Source: PlantGrapes