Winegrowers Supplies -  Vine variety information

Helios  (originally known as Fr. 242-73)

Mother: Merzling
Father: (Seyve-Villard 12-481 x Müller-Thurgau)

A white Piwi/disease-resistant variety.

Year of breeding: 1973 (Norbert Becker)
Country of origin: Germany
Breeder/License holder: Staatliches Weinbauinstitut Freiburg
Number of clones: Fr 380

Year of entry into the German Federal Office's Varieties Register: 
Area planted in Germany in :         hectares
Area planted in England: 

Wine Character - colour: 
                      - bouquet: 
                      - palate: strong, fruity, a little like Müller-Thurgau, for early drinking

Time of bud-burst: average, as Müller-Thurgau

Strength of growth: average, upright
Growth of side-shoots: below average

Flowering time: average, as Müller-Thurgau
Flowering strength: 

Leaf: - size: medium-large                          - shape: 3-lobed
        - colour: intensive green
        - surface undulation: slightly glazed     - petiolar sinus: closed

Grape bunch: - size: medium, little shouldered     - density: relatively loose
Berries:        - size: small                                 - shape: 
                   - skin colour: yellow-green

Time of veraison: average, as Müller-Thurgau
Time of harvest: average

Grape yield: high, between Pinot gris and Müller-Thurgau
Must-weight: high, 10 °Oechsle above Müller-Thurgau
Must-acidity: average, as Müller-Thurgau

Wood ripening: good
Winter hardiness: good to very good
Wood colour: 

Chlorosis resistance: 
Resistance against - Oidium: very high ?    - Peronospora: high to very high
                           - Botrytis: high             - Roter Brenner: 
                           - Phomopsis                 - Stem-atrophy: 
                           May be a little sensitive to Oidium.

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: appears to have potential for the UK

Disadvantages

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