1. Blackspot bruise dependent changes in enzyme activity and gene expression in Lemhi russet potato

   • William R. Belknap
   • Timothy M. Rickey
   • David R. Rockhold

   OriginalPaper Pages: 253 - 265

2. Optimizing the propagation of potato (Solanum tuberosum L.) by stem cuttings

   • Janet E. A. Seabrook

   OriginalPaper Pages: 267 - 275

3. Quantitative analysis of host resistance, fungicide and weather effects on potato early and late blight using computer simulation models

   • D. Shtienberg
   • W. E. Fry

   OriginalPaper Pages: 277 - 286

4. Resistance of tubers from different potato cultivars to soft rot caused byErwinia carotovora subsp.atroseptica

   • Kuo-Ching Tzeng
   • Raymond G. McGuire
   • Arthur Kelman

   OriginalPaper Pages: 287 - 305

5. Comparison of hydraulic press and pressure chamber estimates of potato leaf water potential1

   • Eric P. Eldredge
   • Clinton C. Shock

   Short communication Pages: 307 - 312

6. Contents of potato research volume 32 (1989)

   News and Reviews Pages: 313 - 317

7. Book Review

   • Robert V. Rourke
   • Hugh Murphy

   BookReview Pages: 319 - 320

8. Raymon E. Webb 1919–1989

   • Robert W. Goth

   Announcement Pages: 321 - 324