The white grape variety (German delight, joy, pleasure) is a new breed between Queen of the vineyards
x Sultanina ( Sultana
) published in 2010 DNA analysis
, Synonyms are California 1220F21, De Light and Dilajt. The crossing took place at the Agricultural Experiment Station in 1936 University of California
by Dr. Harold P. Olmo
(1909-2006). The vine is called table grape
used and grown worldwide.