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The red grape variety (also GM 6494-5) is a new breed between Zarya Severa x St. Laurent, Synonyms are Ambros Rot, Geisenheim 6494-5 and GM 6494-5. They are genes from Vitis amurensis and Vitis vinifera contain. Although it is clearly a botanical one hybrid acts, it does not count as such. Strictly speaking, these are prohibited within the EU for quality wines and country wines. In 2003, a study was carried out on behalf of the European Commission in order to determine criteria for the assessment of “hybrid or non-hybrid”. The variety was carried out in Germany along with several others new varieties classified as "non-hybrid" with Amurensis genes (see under hybrids ).

Rondo - grape and leaf

The base cross of the underlying variety was made in 1964 by the breeder Vilém crinkly (1924-2013) in what was then Czechoslovakia. This breeder later offered Dr. Helmut Becker (1927-1990) in Geisenheim some vine seeds, who recognized the importance of the breeding material. From this time as GM 6494 designated seedling population was selected due to its performance, the seedling 6494-5 and later propagated under the variety name Rondo as an independent grape variety. The variety protection was granted in 1997. Incidentally, the variety was also a crossing partner for the new varieties Allegro and prior,

The very early ripening vine has a high resistance to winter frost and wrong mildew, however, is susceptible to powdery mildew. It produces deep dark, ruby red wines with the Merlot-like raspberry and cherry aromas, which are also excellent teinturier (Color enhancer) are suitable. The vine occupies in Germany mostly in the growing area Rheinhessen ten hectares of vineyards. There are also other stocks in England (40 ha) and Romania (1 ha). In 2010 a total of 50 hectares of vineyards were shown.

Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)

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