Comparative abilities of fungi pathogenic and nonpathogenic to bean (Phaseolus vulgaris) to metabolize phaseollin J. Van den HeuvelJudy A. Glazener OriginalPaper Pages: 125 - 137
Soil fumigation and crop rotation to control spraing disease in potatoes P. W. Th. Maas OriginalPaper Pages: 138 - 143
Contributions to an integrated control programme ofHypsipyla grandella (Zeller) in Costa Rica Book Review Pages: 143 - 143
The distribution of passionfruit ringspot virus in its main host plants in Ivory Coast J. J. de Wijs OriginalPaper Pages: 144 - 148
Effects of sulfur dioxide, ozone, and their interactions on ‘Golden Delicious’ apple trees W. J. KenderF. H. F. G. Spierings Short Communication Pages: 149 - 151
Passionfruit ringspot virus isolated from Adenia lobata in Ivory Coast J. J. De WijsJ. D. Mobach Short Communication Pages: 152 - 154
A device for the incubation of Fusarium-inoculated tulip bulbs in a constant air stream B. H. H. Bergman Short Communication Pages: 154 - 156