A comparison of two pathosystems: Downy mildew on Spinacia oleracea and on Chenopodium album H. D. FrinkingE. G. A. Linders OriginalPaper Pages: 97 - 106
Three-dimensional representation of downy mildew development in a spinach crop H. D. FrinkingE. G. A. Linders OriginalPaper Pages: 107 - 113
Relative humidity and wind velocity associated with diurnal rhythmicity of aerial dispersal ofPuccinia arachidis urediniospores S. Savary OriginalPaper Pages: 115 - 125
Cereal aphid populations and the relation between mean density and spatial variance S. A. WardR. J. ChambersA. F. G. Dixon OriginalPaper Pages: 127 - 132
Identification of barley yellow mosaic virus by immuno-electron microscopy in barley but not in Polymyxa graminis or Lagena radicicola Willem G. LangenbergDerk Van Der Wal OriginalPaper Pages: 133 - 136