1. Foreword

   • Leon Dure
   • Maureen Hanson

   EditorialNotes Pages: 1 - 2

2. Molecular markers in plant breeding

   • Steven D. Tanksley

   Review Pages: 3 - 8

3. Evaluation of genomic variability at the nucleic acid level

   • Carol J. Rivin
   • Elizabeth A. Zimmer
   • Ronald W. Davis

   Review Pages: 9 - 16

4. Utilizing RNA viruses for plant improvement

   • Laurence K. Grill

   Review Pages: 17 - 20

5. Rapid detection of plant RNA viruses by dot blot hybridization

   • Stephen J. Garger
   • Thomas Turpen
   • Laurence K. Grill

   Experimental Protocols Pages: 21 - 25

6. Viral specific dsRNA: Diagnostic value for plant virus disease identification

   • T. Jack Morris
   • J. Allan Dodds
   • Stanley J. Tamaki

   Experimental Protocols Pages: 27 - 30

7. Hybridization of 5′-end-labelled RNA to plant viral RNA in agarose and acrylamide gels

   • Ramon L. Jordan
   • J. Allan Dodds

   Experimental Protocols Pages: 31 - 37

8. Simple method for detection of Ti plasmid DNA inAgrobacterium tumefaciens

   • Yasunori Machida
   • Joh-E Ikeda

   Experimental Protocols Pages: 39 - 40

9. A collection of near-isogenic lines of tomato: Research tool of the future?

   • J. W. Maxon Smith
   • D. B. Ritchie

   Genetic Resources Pages: 41 - 45

10. International Society for Plant Molecular Biology

    Legacy Pages: 47 - 47

11. Society announcements

    Announcement Pages: 48 - 48