1. Editorial

   EditorialNotes Pages: 1 - 2

2. Variation observed among bread wheat Wants found in durum fields on Rhodes in 1987

   • A. C. Zeven

   OriginalPaper Pages: 3 - 7

3. The Cuban homegarden ‘conuco’: a perspective environment for evolution and in situ conservation of plant genetic resources

   • Miguel Esquivel
   • Karl Hammer

   OriginalPaper Pages: 9 - 22

4. An analysis of recent taxonomic concepts in wild potatoes (Solarium sect. Petota)

   • David M. Spooner
   • Ronald G. van den Berg

   OriginalPaper Pages: 23 - 37

5. Sampling variation in genetic resources of seed crops: a review

   • Enrico Porceddu
   • Ardeshir B. Damania

   OriginalPaper Pages: 39 - 49

6. Genetic characterization of Lens ervoides from Ethiopia

   • G. Ladizinsky
   • S. Abbo
   • A. Demissie

   OriginalPaper Pages: 51 - 54

7. The progress of research work on crop germplasm resources in China

   Genebank news Pages: 55 - 58

8. Announcements

   Announcement Pages: 59 - 59

9. Book reviews

   BookReview Pages: 59 - 60