Detection of chrysanthemum stunt and potato spindle tuber viroids by polyacrylamide gelelectrophoresis W. H. M. MoschH. HuttingaJ. A. De Bokx OriginalPaper Pages: 85 - 93
Relation between concentration of potato virus YN and its availability to Myzus persicae J. A. De BokxH. A. Van HoofP. G. M. Piron OriginalPaper Pages: 95 - 100
Ethylene not responsible for inhibition of conidium germination by soil volatiles B. SchippersD. J. BoerwinkelH. Konings OriginalPaper Pages: 101 - 107
A leaf spot disease of Nymphaea alba in the Netherlands H. A. van der AA OriginalPaper Pages: 109 - 115
Coffee berry disease and other Colletotrichum diseases of coffee T. Limonard Book Review Pages: 116 - 116