The host ranges, classification and identification of eight persistent aphid-transmitted viruses causing diseases in legumes G. R. JohnstoneJ. W. AshbyJ. D. Fletcher OriginalPaper Pages: 225 - 245
Leitfaden der Schädlingsbekämpfung. Band IV. Vorrats- und Materialschädlinge P. Harrewijn Book Review Pages: 246 - 246
A pattern in the appearance of cucumber powdery mildew in Dutch glasshouses H. T. A. M. Schepers OriginalPaper Pages: 247 - 256
Utility of defeated resistance genes to powdery mildew, Erysiphe graminis f. sp. hordei, in spring barley variety mixtures H. D. Mastebroek OriginalPaper Pages: 257 - 265