1. Factors affecting seedling vigor in potatoes: I. Stage of seed development

   • N. Pallais
   • H. Asmat
   • J. Santos-Rojas

   OriginalPaper Pages: 793 - 801

2. Effects of pre-breeding wild species on tuberization ofSolanum tuberosum haploid-wild species hybrids

   • T. L. Jacobsen
   • S. H. Jansky

   OriginalPaper Pages: 803 - 811

3. Reuse of buffers in return-polyacrylamide gel electrophoresis tests for the detection of potato spindle tuber viroid

   • Amrik S. Jaswal

   OriginalPaper Pages: 813 - 820

4. Yield losses and damage to potato plants caused by Rhizoctonia solani Kuhn

   • G. J. Banville

   OriginalPaper Pages: 821 - 834

5. Texture of french fried potato: Chemical composition of non-starch polysaccharides

   • Amrik S. Jaswal

   Short Communication Pages: 835 - 841

6. The effect of light onin vitro microtuberization of potato cultivars

   • T. Slimmon
   • V. Souza Machado
   • R. Coffin

   Short Communication Pages: 843 - 848

7. Past officers of the Potato Association of America

   Association Business Pages: 849 - 852

8. Annual Meetings of The Potato Association of America

   Association Business Pages: 853 - 854

9. The Potato Association of America Membership list 1989–1990

   Association Business Pages: 855 - 866

10. Last call for papers for the 74th Annual Meeting of PAA

    Association Business Pages: N1 - N1

11. Last call for Graduate Student Competition Papers for the 74th Annual Meeting of PAA

    Association Business Pages: N2 - N2

12. Instructions for completing The PAA Abstract Form

    Association Business Pages: N3 - N3