1. A comparative study of fluorescence in stems of Vinca rosea infected with mycoplasmas of different plant origins

   • C. Hiruki
   • J. Giannotti
   • Jeanne Dijkstra

   OriginalPaper Pages: 145 - 153

2. Teaching botanical epidemiology at the Agricultural University, Wageningen

   • J. C. Zadoks

   OriginalPaper Pages: 154 - 164

3. Lack of cross resistance to benomyl and thiabendazole in some strains of Aspergillus nidulans

   • J. M. Van Tuyl
   • L. C. Davidse
   • J. Dekker

   Short Communication Pages: 165 - 168

4. The use of thiophanate-methyl for distinguishing between the two Phoma varieties causing gangrene of potatoes

   • G. M. Tichelaar

   Short Communication Pages: 169 - 170

5. Book reviews

   • L. Bos
   • T. Limonard

   BookReview Pages: 171 - 172