1. Use of 2x Tuberosum haploid-wild species hybrids to improve yield and quality in 4x cultivated potato

   • E. Darmo
   • S. J. Peloquin

   OriginalPaper Pages: 1 - 9

2. Use of ribosomal DNA spacer probes to distinguish cultivars of Cucurbita pepo L. and other Cucurbitaceae

   • Ramon A. Torres Ruiz
   • Vera Hemleben

   OriginalPaper Pages: 11 - 17

3. Quantitative genetic analysis of flowering time in the Davis Population of gerbera. I. Components of genetic variance and heritability

   • Yiran Yu
   • Thomas Byrne
   • James Harding

   OriginalPaper Pages: 19 - 23

4. An in vitro assay for drought-tolerant coconut germplasm

   • Seetha Karunaratne
   • Sunil Santha
   • A. Kovoor

   OriginalPaper Pages: 25 - 30

5. The wild genetic resources of cultivated lettuce (Lactuca sativa L.)

   • Daniel Zohary

   OriginalPaper Pages: 31 - 35

6. Natural out-crossing in dwarf pigeonpea

   • S. M. Githiri
   • P. M. Kimani
   • K. B. Saxena

   OriginalPaper Pages: 37 - 39

7. The reproductive biology of okra. 1. Study of the breeding system in four Abelmoschus species

   • Serge Hamon
   • Jean Koechlin

   OriginalPaper Pages: 41 - 48

8. The reproductive biology of okra. 2. Self-fertilization kinetics in the cultivated okra (Abelmoschus esculentus), and consequences for breeding

   • Serge Hamon
   • Jean Koechlin

   OriginalPaper Pages: 49 - 55

9. The introduction into bread wheat of a major gene for resistance to powdery mildew from wild emmer wheat

   • S. M. Reader
   • T. E. Miller

   OriginalPaper Pages: 57 - 60

10. Breeding for yield and nutritive value in forage maize: An easy criterion for stover quality, and genetic analysis of Lancaster variety

    • A. Ferret
    • F. Casañas
    • F. Nuez

    OriginalPaper Pages: 61 - 66

11. Hybrid seed production using nutritional mutants

    • Zoltán Barabás

    OriginalPaper Pages: 67 - 72

12. Book announcements

    Announcement Pages: 73 - 77

13. News item

    Announcement Pages: 79 - 79