Bud necrosis, a storage disease of tulips. I. Symptoms and the influence of storage conditions W. J. De MunkJ. J. Beijer OriginalPaper Pages: 97 - 105
Electron microscopy of plant tissues infected with potato viruses A and S J. A. De BokxH. A. J. I. Waterreus OriginalPaper Pages: 106 - 112
Control of black thread (Phytophthora palmivora) in hevea brasiliensis with Difolatan J. Schreurs OriginalPaper Pages: 113 - 126
Saponaria vaccaria ‘Pink Beauty’, a new test plant for carnation mottle virus F. A. HakkaartMarja van Olphen OriginalPaper Pages: 127 - 133
Comparison of cassava, yam and potato dextrose agars as fungal culture media G. WeststeijnN. Okafor OriginalPaper Pages: 134 - 139
Prunus serotina (American bird-cherry) as a host plant of Aphididae in the Netherlands D. Hille ris Lambers Short communication Pages: 140 - 143