Preface 13; Health and consumer behaviour 15; Nutritionally relevant aspects of potatoes and potato constituents 17; H.J. Buckenhuskes; The potential of potatoes for attractive convenience food: focus on product quality and nutritional value 27; J. van Gijssel; Adding value to potatoes by processing for the benefit of the consumer 33; M.J.H. Keijbets; Potato: a dull meal component?! 39; Wiro G.J. Sterk; Understanding consumer behaviour is not optional: do we change it or does it change us? 45; David F. Walker; Breeding and seed production 53; Genomic resources in potato and possibilities for exploitation 55; E. Ritter, F. Lucca, I. Sanchez, J.I. Ruiz de Galarreta, A. Aragones, S. Castanon, G. Bryan, R. Waugh, V. Lefebvre, F. Rousselle-Bourgoise, C. Gebhardt, H. van Eck, H. van Os, J. Taco, E. Bakker and J. Bakker; Breeding for quality improvement: market fitness and nutritional quality 66; T.R. Tarn; Breeding and diagnostic developments for better storage of potatoes to meet future industry needs 76; N.W. Kerby, M.F.B. Dale, A.K. Lees, M.A. Taylor and J.E. Bradshaw; Seed potato systems in Latin America 86; Marcelo Huarte; Technology driving change in the seed potato industry 93; David McDonald. Managing Intellectual Property portfolios in potato 95; R. Korenstra; Decision support systems 105; Present role and future potential of decision support systems in managing resources in potato production 107; A.J. Haverkort; Calibration of a crop growth simulation model to study irrigation scheduling effects on potato yield 117; R. Rocha-Rodriguez, J.A. Quijano-Carranza and J. Narro-Sanchez; Setting out the parameters of IRRINOV[registered], a method for irrigation scheduling 122; J.M. Deumier, F.X. Broutin and D. Gaucher; Presentation of a Decision-Support System (DSS) for nitrogen management in potato production to improve the use of resources 134; J.P. Goffart, M. Olivier and J.P. Destain; NemaDecide: a decision support system for the management of potato cyst nematodes 143; T.H. Been, C.H. Schomaker and L.P.G. Molendijk; Production and storage 157; Technology developments in potato yield and quality management 159; V.T.J.M. Achten; Comparing the effects of chemical haulm desiccation and natural haulm senescence in potato by the use of two different skin set methods 169; Eldrid Lein Molteberg; Volunteer potatoes 172; Melvyn F. Askew; Present state and future prospects of potato storage technology 179; A. Veerman and R. Wustman; Comparison of different transport and store-filling methods 190; T. Horlacher and R. Peters. Crop protection 201; Integrated management of potato tuber moth in field and storage 203; A. Hanafi; Purple top disease and beet leafhopper transmitted virescence agent (BLTVA) phytoplasma in potatoes of the Pacific Northwest of the United States 211; J.E. Munyaneza; Survival and disease suppression of potato brown rot in organically and conventionally managed soils 221; N.A.S. Messiha,, J.D. Janse, A. van Diepeningen, F.G. Fawzy, A.J. Termorshuizen and A.H.C. van Bruggen; Survival of Ralstonia solanacearum biovar 2 in canal water in Egypt 228; D.T. Tomlinson, J.G. Elphinstone, M.S. Hanafy, T.M. Shoala, H. Abd El-Fatah, S.H. Agag, M. Kamal, M.M. Abd El-Aliem, H. Abd El-Ghany, S.A. El-Haddad, F.G. Fawzi and J.D. Janse; Survival of the potato brown rot bacterium (Ralstonia solanacearum biovar 2) in Egyptian soils 233; D.T. Tomlinson, J.G. Elphinstone, H. Abd El-Fatah, S.H.A. Agag, M. Kamal, M.Y. Soliman, M.M. Abd El-Aliem, H. Abd El-Ghany, S.A. El-Haddad, Faiza G. Fawzi and J.D. Janse; The influence of Solanum sisymbriifolium on potato cysts nematode population reduction 239; Elzbieta Malinowska, Jozef Tyburski, Bogumil Rychcik and Jadwiga Szymczak-Nowak; Late blight 243; Late blight: the perspective from the pathogen 245; Francine Govers; Breeding for foliage late blight resistance in the genomics era 255; J.J.H.M. Allefs, M.W.M. Muskens and E.A.G. van der Vossen; Control of Phytophthora infestans in potato 268; H.T.A.M. Schepers; Primary outbreaks of late blight and effect on the control strategy 276; Peter Raatjes. The Netherlands Umbrella Plan Phytophthora in (inter)national perspective 282; Piet M. Boonekamp; Eucablight: a late blight network for Europe 290; L.T. Colon, D.E.L. Cooke, J. Gronbech-Hansen, P. Lassen, D. Andrivon, A. Hermansen, E. Zimnoch-Guzowska and A.K. Lees; Potato blight populations in Ireland and beyond 299; L.R. Cooke, and K.L. Deahl; Late blight resistance in Sarpo clones: an update 311; D.S. Shaw and D.T. Kiezebrink; Infinito[registered]: a novel fungicide for long-lasting control of late blight in potato 315; S. Tafforeau, M.P. Latorse, P. Duvert, E. Bardsley, T. Wegmann and A. Schirring; The role of spray technology to control late blight in potato 324; J.C. van de Zande, J.M.G.P. Michielsen, H. Stallinga, R. Meier and H.T.A.M. Schepers; Trade 339; General trends in the European potato trade 341; Jorg Renatus; Serving the potato market: Danespo-Denmark view 348; Peter van Eerdt; Production of potato and seed potato in Russia 352; Boris V. Anisimov; Production and marketing of potato in the process of full membership of Turkey to the European Union 359; Aziz Satana.