1. Graminor Breeding Ltd.; Hommelstadvegen 60 NO-2322 Ridabu Norway
2. Norwegian Univ. of Life Sciences; Dep. of Plant Sciences; P.O. Box 5003 N1432 Aas Norway
3. Norwegian Inst. of Bioeconomy Research; Dep. of Urban Greening and Environmental Engineering; Landvik Research Centre; Reddalsveien 215 NO-4886 Grimstad Norway