Winegrowers Supplies -  Vine variety information

Cabernet Blanc  (originally known as VB 91-26-1)

Mother: Cabernet Sauvignon
Father: Resistenzpartner (not known exactly)

A white Piwi/disease-resistant variety.

Year of breeding: 1991
Country of origin: Switzerland
Breeder/License holder: Valentin Blattner, at Soyhières in Jura
Number of clones:

Area planted in England: none

Wine Character - colour: white
                      - bouquet: fragrant aromas similar to Sauvignon Blanc
                      - palate: between Riesling and Sauvignon Blanc
                        "a real alternative to Sauvignon Blanc"


Time of bud-burst: 

Strength of growth: strong, upright
Growth of side-shoots: 

Flowering time: 
Flowering strength: sensitive, always has millerandage (hens and chickens) which results in some unfertilised berries and hence very loose bunches

Leaf: - size:                 - shape: 
        - colour: 
        - surface undulation:                - petiolar sinus:
          thinner than average 

Grape bunch: - size:                         - density: very loose
Berries:        - size: small                 - shape: round
                   - skin colour: green

Time of veraison: 
Time of harvest: very late, thick skinned berries can hang on the vine for a very long time

Grape yield: 
Must-weight: high
Must-acidity: high

Wood ripening: 
Winter hardiness: high
Wood colour: 

Chlorosis resistance: 
Resistance against: - Oidium: high                 - Peronospora: high
                            - Botrytis: very high         - Roter Brenner: 
                            - Phomopsis                    - Stem-atrophy: 

Preferred soil: 
Suitable rootstocks: 

Normal stem height: 
Normal row spacing: 
Vine spacing in the row: 

Winter Pruning:      eyes/buds per sq. metre of land occupied by the plant.

Advantages: very high quality wine, for very late harvest. High resistance against mildews.

Disadvantages: very late ripening, in England it needs to be in a polytunnel or greenhouse.