1. High resolution RFLP map around the root knot nematode resistance gene (Mi) in tomato

   • R. Messeguer
   • M. Ganal
   • S. D. Tanksley

   Originals Pages: 529 - 536

2. Isolation and characterization of wheat-rye recombinants involving chromosome arm 1DS of wheat

   • P. M. Rogowsky
   • F. L. Y. Guidet
   • R. M. D. Koebner

   Originals Pages: 537 - 544

3. Cytological and molecular observations on Solanum phureja-induced dihaploid potatoes

   • S. A. Clulow
   • M. J. Wilkinson
   • W. Powell

   Originals Pages: 545 - 551

4. Association of protein amount polymorphism (PAP) among maize lines with performances of their hybrids

   • A. Leonardi
   • C. Damerval
   • D. de Vienne

   Originals Pages: 552 - 560

5. Genetic analysis of tolerance to low-phosphorus stress in maize using restriction fragment length polymorphisms

   • R. S. Reiter
   • J. G. Coors
   • W. H. Gabelman

   Originals Pages: 561 - 568

6. Inheritance, linkage relationship and chromosomal localization of the glutamate oxaloacetate transaminase, acid phosphatase and diaphorase isozyme genes in Secale cereale L.

   • P. Wehling

   Originals Pages: 569 - 576

7. Homoeology of rye chromosome arms to wheat

   • T. Naranjo
   • P. Fernández-Rueda

   Originals Pages: 577 - 586

8. Nucleolar organizer function in developing potato calli

   • Laas P. Pijnacker
   • Margriet A. Ferwerda

   Originals Pages: 587 - 592

9. Phylogenetic relations in section Arachis based on seed protein profile

   • A. K. Singh
   • S. Sivaramakrishnan
   • C. D. Ramaiah

   Originals Pages: 593 - 597

10. Gene action for cold tolerance in chickpea

    • R. S. Malhotra
    • K. B. Singh

    Originals Pages: 598 - 601

11. Efficiency of potato breeding using FDR 2n gametes for multitrait selection and progeny testing

    • Rodomiro Ortiz
    • Stanley J. Peloquin
    • Masaru Iwanaga

    Originals Pages: 602 - 608

12. Highly asymmetric intergeneric nuclear hybrids between Nicotiana and Petunia: evidence for recombinogenic and translocation events in somatic hybrid plants after “gamma”-fusion

    • S. Hinnisdaels
    • L. Bariller
    • M. Jacobs

    Originals Pages: 609 - 614

13. Characterization of HSP-70 cognate proteins from wheat

    • S. Giorini
    • G. Galili

    Originals Pages: 615 - 620

14. The occurrence and frequency of 2n pollen in 2x, 4x, and 6x wild, tuber-bearing Solanum species from Mexico, and Central and South America

    • K. Watanabe
    • S. J. Peloquin

    Originals Pages: 621 - 626

15. Development and chromosomal localization of genome-specific markers by polymerase chain reaction in Brassica

    • C. F. Quiros
    • J. Hu
    • M. Delseny

    Originals Pages: 627 - 632

16. Agronomic evaluation of tissue-culture-derived soybean plants

    • P. A. Stephens
    • C. D. Nickell
    • J. M. Widholm

    Originals Pages: 633 - 635

17. A linkage map based on information from four F₂ populations of maize (Zea mays L.)

    • W. D. Beavis
    • D. Grant

    Originals Pages: 636 - 644

18. Formation of first division restitution (FDR) 2n-megaspores through pseudohomotypic division in ds-1 (desynapsis) mutants of diploid potato: routine production of tetraploid progeny from 2xFDR × 2xFDR crosses

    • E. Jongedijk
    • M. S. Ramanna
    • J. G. Th. Hermsen

    Originals Pages: 645 - 656

19. The use of IAA to overcome interspecific hybrid inviability in reciprocal crosses between Nicotiana tabacum L. and N. repanda Willd.

    • W. M. Zhou
    • K. Yoshida
    • G. Takeda

    Originals Pages: 657 - 661

20. Book reviews

    • Brücher Mendoza
    • D. Sumpf
    • G. J. Wullems

    BookReview Pages: 662 - 663

21. Erratum

    Erratum Pages: 664 - 664