The white grape variety (also BV 19-88) is an interspecific new variety between the white variety Rakisch x the red variety Merlan. It contains genes of Vitis aestivalis, Vitis berlandieri, Vitis labrusca, Vitis rupestris and Vitis vinifera. The crossing of the hybrid was done in 2001 in the Czech Republic by a team around the breeder Vilém K...