1. Institute of Plant Molecular Biology, Biology Centre, Czech Academy of Sciences, 370 05 Ceske Budejovice, Czech Republic
2. Institute of Entomology, Biology Centre, Czech Academy of Sciences, 370 05 Ceske Budejovice, Czech Republic
3. Faculty of Science, University of South Bohemia, 370 05 Ceske Budejovice, Czech Republic
4. Research and Breeding Institute of Pomology Holovousy Ltd., 508 01 Horice, Czech Republic
5. Jan Holub Ltd., 783 25 Bouzov, Czech Republic
6. Norwegian Institute of Bioeconomy Research, 1433 Aas, Norway