1. Somatic hybridization between Lycopersicon esculentum and Lycopersicon pennellii

   • M. A. O'Connell
   • M. R. Hanson

   OriginalPaper Pages: 1 - 12

2. Field trial of a compound chromosome strain for genetic control of the sheep blowfly Lucilia cuprina

   • G. G. Foster
   • R. H. Maddern
   • E. M. Reed

   OriginalPaper Pages: 13 - 21

3. Bean lectins

   • T. C. Osborn
   • J. W. S. Brown
   • F. A. Bliss

   OriginalPaper Pages: 22 - 31

4. Restriction endonuclease cleavage site map of safflower (Carthamus tinctorius L.) chloroplast DNA

   • M. A. Smith
   • C. Ma

   OriginalPaper Pages: 32 - 41

5. Correlations between in vivo resistance to Fusarium and in vitro response to fungal elicitors and toxic substances in carnation

   • M. Buiatti
   • A. Scala
   • R. Venturo

   OriginalPaper Pages: 42 - 47

6. Selection and stability of synthetic varieties of Lolium perenne

   • M. D. Hayward
   • I. B. Abdullah

   OriginalPaper Pages: 48 - 51

7. Homokaryotization of Agaricus bitorquis (Quel.) Sacc. and Agaricus bisporus (Lange) Imb.

   • R. Dickhardt

   OriginalPaper Pages: 52 - 56

8. Expression of nuclear-cytoplasmic genomic incompatibility in interspecific Petunia somatic hybrid plants

   • L. S. Schnabelrauch
   • F. Kloc-Bauchan
   • K. C. Sink

   OriginalPaper Pages: 57 - 65

9. Identification of the chromosomes showing neocentric activity in rye

   • Y. Viinikka

   OriginalPaper Pages: 66 - 71

10. Selection for fertility in mice — the selection plateau and how to overcome it

    • L. Schüler

    OriginalPaper Pages: 72 - 79

11. Detection and estimation of components of genetic variation for some metric traits in tomato (Lycopersicon esculentum Mill)

    • R. P. Singh
    • S. Singh

    OriginalPaper Pages: 80 - 84

12. Meiotic pairing of the amphiploid Hordeum chilense X Triticum turgidum conv. durum studied by means of Giemsa C-banding technique

    • J. A. Fernandez
    • J. M. Gonzalez
    • N. Jouve

    OriginalPaper Pages: 85 - 91

13. The chromosome constitution of plants derived from pollen of hexaploid triticale X common wheat F₁ hybrids

    • Wang Xingzhi
    • Hu Han

    OriginalPaper Pages: 92 - 96

14. Hybridization in the genus Lens by means of embryo culture

    • G. Ladizinsky
    • D. Cohen
    • F. J. Muehlbauer

    OriginalPaper Pages: 97 - 101

15. Repeatability of stability estimators for downy mildew incidence in pearl millet

    • D. S. Virk
    • S. S. Chahal
    • H. S. Pooni

    OriginalPaper Pages: 102 - 106

16. Isozyme studies in Indian mustard (Brassica juncea L.)

    • R. Kumar
    • V. P. Gupta

    OriginalPaper Pages: 107 - 110

17. Book reviews

    • H. F. Linskens
    • D. Sperlich

    BookReview Pages: 111 - 112

18. Announcement

    Announcement Pages: 112 - 112