1. University of Hohenheim; State Plant Breeding Institute; Fruwirthstr. 21 D-70599 Stuttgart Germany
2. KWS LOCHOW GMBH; Ferdinand-von-Lochow-Straße 5 D-29303 Bergen Germany
3. Julius Kühn-Institut; Institute for Breeding Research on Agricultural Crops; Rudolf-Schick-Platz 3a D-18190 Groß Lüsewitz Germany