How Planting Density Affects Number and Yield of Potato Minitubers in a Commercial Glasshouse Production System A. J. H. van der VeekenW. J. M. Lommen OriginalPaper 13 February 2009 Pages: 105 - 119
Impact of Different US Genotypes of Phytophthora infestans on Potato Seed Tuber Rot and Plant Emergence in a Range of Cultivars and Advanced Breeding Lines William W. KirkFiras Abu-El SamenAsunta Thompson OriginalPaper 14 February 2009 Pages: 121 - 140
Potato Breeding at the Scottish Plant Breeding Station and the Scottish Crop Research Institute: 1920–2008 John E. Bradshaw OriginalPaper 15 April 2009 Pages: 141 - 172
Improving Potato Production in Kenya, Uganda and Ethiopia: A System Diagnosis Peter R. GildemacherWachira KaguongoCees Leeuwis OriginalPaper 24 April 2009 Pages: 173 - 205