1. The rate of respiration of potato tubers during storage. 2. Results of experiments in 1972 and 1973_1,2

   • P. A. Schippers

   OriginalPaper Pages: 189 - 206

2. Effect of temperature on symptom expression and relative virus concentration in potato plants infected with potato virus Y^N and Y^O

   • J. A. DeBokx
   • P. G. M. Piron

   OriginalPaper Pages: 207 - 213

3. Changes in seed tubers after planting

   • Birger Svensson

   Short Communication Pages: 215 - 218

4. Dormancy and sprout development of some South African potato cultivars during cold storage

   • J. J. Bornman
   • P. S. Hammes

   Short Communication Pages: 219 - 224

5. Field trials of chemicals for control of common scab by soil treatment

   • A. H. McIntosh

   Short Communication Pages: 225 - 229

6. Guar (Cyamopsis tetragonoloba) as a potential differential host of potato virus Y

   • B. E. L. Lockhart
   • H. U. Fischer

   Short Communication Pages: 231 - 233

7. Einfluss von Sorte und Düngung auf das Spektrum flüchtiger Aromastoffe in Kartoffeln

   • I. Khan
   • K. Müller
   • H. Warmbier

   Short Communication Pages: 235 - 242

8. Reviews

   • D. E. van der Zaag
   • W. G. Burton
   • D. E. van der Zaag

   BookReview Pages: 243 - 245

9. Symposium über pathogene Fusarien an der Kartoffelknolle in Rostock 1976

   • B. Pett

   News Pages: 246 - 247

10. Report of the meeting of the section breeding and varietal assessment at lund (sweden), 7–12 February 1977

    Reports Pages: 248 - 259

11. Bericht über die Tagung der Sektion Pathologie in Braunschweig (Bundesrepublik Deutschland) vom 18.–22. April 1977

    • Ronald A. Fox

    Reports Pages: 259 - 275

12. Council notices

    Association News Pages: 276 - 284