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RONDO: Winter hardy red wine vitis vinifera hybrid cross created at Geisenheim, Germany between St. Laurent and Saperavi Severnyi. Has synonym name of Geisenheim 6494-5.
Due to their excellent tolerance to powdery mildew, other fungal diseases, nematodes, and phylloxera, hybrid varieties have, to some extent, become a renewed focus for European breeding programs. The recently developed varieties, Rondo, ...
 See also: Graft, Rootstock, Austria, Candied, Muscat
  
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