Synonym or breeding number (also NY 70-0809-10) for the grape variety Corot Noir; see there.
The red grape variety (also New York 70.0809.10) is an interspecific new variety between Seyve Villard 18-307 (Chancellor x Subereux) x Steuben, as confirmed by DNA analyses published in 2008. It contains genes from Vitis labrusca, Vitis lincecumii, Vitis...
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Thomas Götz
Weinberater, Weinblogger und Journalist; Schwendi