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Vitis vinifera French-American Hybrids Synonyms: Common Name(s): Chancellor grape; Seyval grape Family: Vitaceae Growth Habit: Perennial Invasiveness: Growing Days: 160 to 180 (days) Temperature:
Abs.Max=38° (C) | Opt.Max=30° (C) | Opt.Min=18° (C) | Abs.Min=10° (C) | Precipitation: 70 to 85 (cm.) Winter Minimum: -26° (C) Soil pH: 5 to 7 Soil Texture/Type: Sandy or gravelly clay loams Soil Drainage: Well Photoperiod Response: Short day and day neutral Light Intensity: Bright Comments: Cross of European V. vinifera and North American species. Requires very good drainage and high elevation. Good quality fruit with good winter tolerances. Crown gall disease can be a problem, especially in areas with mild winters. Diseases: Pythium, Phytothora, Sclerotinia, Rhizoctonia, Helminthosporium/Bipolaris, Cercospora, Powdery Mildew, Rust, Anthrachose, Cephalosporium Uses: Food - wine, Food - fruit Woodiness: Woody vine Climate: Temperate-continental, subtropical-dry summer, steppe and semi-arid, temperate marine, tropical-wet and dry Geographical Origin: Northern USA, France
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