1. Department of Plant Sciences; Norwegian University of Life Sciences; NO-1432 Ås Norway
2. NIBIO; Norwegian Institute for Bioeconomy Research; NO-1431 Ås Norway
3. Nofima, Norwegian Institute of Food; Fisheries and Aquaculture Research; Osloveien 1 NO-1430 Ås Norway
4. Department of Ecology and Natural Resource Management; Norwegian University of Life Sciences; NO-1432 Ås Norway