Synonym or cultivar no. (also ES 439) for the grape variety Swenson Red; see there.
The grape variety is a complex interspecific new variety between Minnesota 78 (Beta x Witt) x Seibel 11803(Rubilande). Synonyms or breeding numbers are Elmer Swenson 439 and ES 439. It contains genes from Vitis aestivalis, Vitis cinerea, Vitis labrusca, Vitis lincecumii, Vitis riparia, Vitis Vitis...
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Technischer Lehrer, staatl. geprüfter Sommelier, Hotelfachschule Heidelberg