Editors

Editor-in-Chief:

P.C. Struik, Wageningen University, Wageningen, The Netherlands

Co-ordinating Editor:

J. Bradshaw, The James Hutton Institute, Dundee, Scotland

Editorial Board:

M. Askew, Agricultural & Rural Strategy Group, York, UK;D. Caldiz, McCain Argentina SA, Balcarce, Argentina; M.E. Caliskan, Nigde Omer Halisdemir University, Nigde, Turkey; L. Dianqiu, Ministry of Agriculture, Harbin, P.R. China; Q. Dongyu, Ministry of Agriculture, Beijing, P.R. China; T. Döring, Humboldt-Universität zu Berlin, Germany; D. Eshel, The Volcani Center, Rishon LeZion, Israel; Y. Galina, Belarusian Research Intitute for Potato Growing, Minsk, Belarus; I. Ginzberg, The Volcani Center, Bet Dagan, Israel; J. Gopal, Central Potato Research Institute, Shimla, India; D. Griffin, Teagasc, Carlow, Ireland; J.F. Guenthner, University of Idaho, Moscow, USA;N. Haase, Federal Centre for Cereal, Potato and Lipid Research, Detmold, Germany; J. Hagman, Swedish University of Agricultural Sciences, Uppsala, Sweden; A. Hanafi, Integrated Production & Protection Unit, Agadir, Morocco; A. Haverkort, Plant Research International, Wageningen, The Netherlands; A. Hermansen, Bioforsk, Norway; M. Huarte, EEA INTA, Balcarce, Argentina; K. Iwama, Hokkaido University, Sapporo, Japan; J.M.E. Jacobs, New Zealand Institute for Crop & Food Research, Christchurch, New Zealand; C. Jeffries, Scottish Agricultural Science Agency, Edinburgh,UK; W.S. de Jong, Cornell University, Ithaca, USA; E.C. Lulai, USDA-ARS, Fargo, USA; M. Parker, CIP-SSA, Nairobi, Kenya; H.W. Platt, Agriculture and Agri-Food Canada, Charlottetown, Canada; K. Pruski, Nova Scotia Agricultural College Truro, Canada;E. Schulte-Geldermann, CIP-SSA, Nairobi, Kenya; J. Singh, Massey University, Palmerston North, New Zealand; J. Sowokinos, University of Minnesota, East Grand Forks, USA; C. Spetz, Bioforsk, Aas, Norway; R.M.J. Storey, Potato Council, Kenilworth, UK; M. Thornton, SW Idaho R&E Center, Parma, ID, USA; L. Tsror, Gilat Research Center, Negev, Israel; H. van Eck, Wageningen University, Wageningen, The Netherlands; R.G.F. Visser, Wageningen University, Wageningen, The Netherlands; G. Wang-Pruski, Nova Scotia Agricultural College, Truro, Canada; H. Wei, Sichuan Academy of Agricultural Sciences, China; M. Zellner, Bavarian State Research Centre for Agriculture, Freising, Germany; E. Zimnoch-Guzowska, Instytut Hodowli i Aklimatyzacji Roślin, Błonie, Poland