1. Nucellar callus of ‘Femminello’ lemon, selected for tolerance toPhoma tracheiphila toxin, shows enhanced release of chitinase and glucanase into the culture medium

   • A. Gentile
   • E. Tribulato
   • A. Vardi

   OriginalPaper Pages: 527 - 532

2. Sexual and somatic hybridization in the genusLycopersicon

   • C. Lefrançois
   • Y. Chupeau
   • J. P. Bourgin

   OriginalPaper Pages: 533 - 546

3. Electrophoretic protein analysis for the identification of doubled haploid 1A–1R, 1B–1R wheat-rye double translocation lines and for the assessment of their genetic stability

   • U. Vahl
   • G. Müller
   • T. Böhme

   OriginalPaper Pages: 547 - 556

4. Recombination rates of soybean varieties from different periods of introduction and release

   • T. W. Pfeiffer

   OriginalPaper Pages: 557 - 561

5. Quantitatively determined self-incompatibility. 5. Detection of multi-locus systems

   • O. Mayo
   • C. R. Leach

   OriginalPaper Pages: 562 - 566

6. Brassica carinata resynthesized by protoplast fusion

   • P. Jourdan
   • E. Salazar

   OriginalPaper Pages: 567 - 572

7. Taxonomic and population differentiation of mitochondrial diversity inPinus banksiana andPinus conforta

   • J. Dong
   • D. B. Wagner

   OriginalPaper Pages: 573 - 578

8. Variations in chloroplast DNA from rice (Oryza sativa): differences between deletions mediated by short direct-repeat sequences within a single species

   • A. Kanno
   • N. Watanabe
   • A. Hirai

   OriginalPaper Pages: 579 - 584

9. Preferential transposition ofAc to linked sites in Arabidopsis

   • J. Keller
   • E. Lim
   • H. K. Dooner

   OriginalPaper Pages: 585 - 588

10. Characterisation of the wheat Mr 15000 “grain-softness protein” and analysis of the relationship between its accumulation in the whole seed and grain softness

    • C. J. Jolly
    • S. Rahman
    • T. J. V. Higgins

    OriginalPaper Pages: 589 - 597

11. Structure and evolution of the genomes ofsorghum bicolor andZea mays

    • A. Melake Berhan
    • S. H. Hulbert
    • J. L. Bennetzen

    OriginalPaper Pages: 598 - 604

12. High levels of population differentiation for mitochondrial DNA haplotypes inPinus radiata, muricata, andattenuata

    • S. H. Strauss
    • Y. -P. Hong
    • V. D. Hipkins

    OriginalPaper Pages: 605 - 611

13. A parsimonious statistical design and breeding procedure for evaluating and selecting desirable characteristics over environments

    • W. T. Federer
    • B. T. Scully

    OriginalPaper Pages: 612 - 620

14. Improved efficiency for T-DNA-mediated transformation and plasmid rescue inArabidopsis thaliana

    • A. Mandal
    • V. Lång
    • E. T. Palva

    OriginalPaper Pages: 621 - 628

15. Microdissection and microcloning of the barley (Hordeum vulgare L.) chromosome 1HS

    • J. Schondelmaier
    • R. Martin
    • C. Jung

    OriginalPaper Pages: 629 - 636

16. The fine structure of chickpea (Cicer arietinum L.) chromosomes as revealed by pachytene analysis

    • F. Ahmad
    • T. Hymowitz

    OriginalPaper Pages: 637 - 641

17. Crop/weed gene flow:Chenopodium quinoa Willd. andC. berlandieri Moq.

    • H. Wilson
    • J. Manhart

    OriginalPaper Pages: 642 - 648

18. Analysis of phylogenetic relationships in the Triticeae tribe using RFLPs

    • J. V. Monte
    • C. L. McIntyre
    • J. P. Gustafson

    OriginalPaper Pages: 649 - 655

19. Book reviews

    • F. Salamini Köln
    • Hans Abplanalp

    BookReview Pages: 655 - 656