1. Genetic diversity among sublines originating from a single somatic hybrid cell of Duboisia hopwoodii + Nicotiana tabacum

   • T. Endo
   • T. Komiya
   • Y. Yamada

   OriginalPaper Pages: 641 - 646

2. Recombination in sesquidiploid hybrids of Lycopersicon esculentum × Solanum lycopersicoides and derivatives

   • C. M. Rick
   • R. T. Chetelat
   • J. W. DeVerna

   OriginalPaper Pages: 647 - 655

3. Monosomic additions in beet (Beta vulgaris) carrying extra chromosomes of B. procumbens

   • W. Lange
   • Th. S. M. De Bock
   • M. Oléo

   OriginalPaper Pages: 656 - 664

4. Diploid somatic-hybrid plants regenerated from rice cultivars

   • K. Toriyama
   • K. Hinata

   OriginalPaper Pages: 665 - 668

5. Dominance relationships among S-alleles in Corylus avellana L.

   • S. A. Mehlenbacher
   • M. M. Thompson

   OriginalPaper Pages: 669 - 672

6. Structure of melon rDNA and nucleotide sequence of the 17–25S spacer region

   • T. A. Kavanagh
   • J. N. Timmis

   OriginalPaper Pages: 673 - 680

7. Complex interspecific hybridization in barley (Hordeum vulgare L.) and the possible occurrence of apomixis

   • R. von Bothmer
   • M. Bengtsson
   • I. Linde-Laursen

   OriginalPaper Pages: 681 - 690

8. Isozyme variation and RFLPs at the β-amylase loci in wheat

   • P. J. Sharp
   • S. Desai
   • M. D. Gale

   OriginalPaper Pages: 691 - 699

9. Action of natural selection in lines of Drosophila selected for a new level of canalization

   • E. García Vázquez
   • J. Rubio

   OriginalPaper Pages: 700 - 704

10. The genomic relationship between Glycine max (L.) Merr. and G. soja Sieb. and Zucc. as revealed by pachytene chromosome analysis

    • R. J. Singh
    • T. Hymowitz

    OriginalPaper Pages: 705 - 711

11. DNA polymorphisms in commercial and wild strains of the cultivated mushroom, Agaricus bisporus

    • M. G. Loftus
    • D. Moore
    • T. J. Elliott

    OriginalPaper Pages: 712 - 718

12. Best linear prediction of breeding values in a forest tree improvement program

    • T. L. White
    • G. R. Hodge

    OriginalPaper Pages: 719 - 727

13. Genome specific, highly repeated sequences of Hordeum vulgare: cloning, sequencing and squash dot test

    • H. Junghans
    • M. Metzlaff

    OriginalPaper Pages: 728 - 732

14. In vitro response as a reflection of genomic diversity in long-term cultures of Musa

    • N. Banerjee
    • A. K. Sharma

    OriginalPaper Pages: 733 - 736

15. Natural selection of allozyme polymorphisms: a microgeographical differentiation by edaphic, topographical, and temporal factors in wild emmer wheat (Triticum dicoccoides)

    • E. Nevo
    • A. Beiles
    • T. Krugman

    OriginalPaper Pages: 737 - 752

16. Structure of the mitochondrial genome of Beta vulgaris L.

    • N. A. Dudareva
    • E. V. Kiseleva
    • R. I. Salganik

    OriginalPaper Pages: 753 - 759

17. Intergeneric asymmetric hybrids between Nicotiana plumbaginifolia and Atropa belladonna obtained by “gamma-fusion”

    • Y. Y. Gleba
    • S. Hinnisdaels
    • M. Jacobs

    OriginalPaper Pages: 760 - 766

18. Genotype-independent leaf disc transformation of potato (Solanum tuberosum) using Agrobacterium tumefaciens

    • M. De Block

    OriginalPaper Pages: 767 - 774

19. Juvenile body weight and gonad development in a diallel cross among lines of Japanese quail (Coturnix coturnix japonica)

    • M. Gerken
    • S. Zimmer
    • J. Petersen

    OriginalPaper Pages: 775 - 780

20. Chromosomal location by F₁ monosomic analysis of endosperm proteins in bread wheat

    • G. Hueros
    • J. C. Sanz
    • N. Jouve

    OriginalPaper Pages: 781 - 787

21. Using clonal replicates to explore genetic variation in a perennial plant species

    • G. S. Foster
    • D. V. Shaw

    OriginalPaper Pages: 788 - 794

22. Biochemical genetics of powdery mildew resistance in pea

    • P. Kalia
    • S. K. Sharma

    OriginalPaper Pages: 795 - 799

23. Book reviews

    • J. F. Jackson
    • T. Horie

    BookReview Pages: 800 - 800

24. Announcements

    Announcement Pages: 800 - 800