1. Characterization of a gametoclonal variant controlling virus resistance in tobacco

   • W. D. Witherspoon Jr.
   • E. A. Wernsman
   • R. C. Rufty

   Originals Pages: 1 - 5

2. Triploidy induction in Nile tilapia, Oreochromis niloticus L. using pressure, heat and cold shocks

   • M. G. Hussain
   • A. Chatterji
   • R. Johnstone

   Originals Pages: 6 - 12

3. Chloroplast DNA evolution in potato (Solanum tuberosum L.)

   • Y. Kawagoe
   • Y. Kikuta

   Originals Pages: 13 - 20

4. Quantitative cytology of the alfalfa generative cell and its relation to male plastid inheritance patterns in three genotypes

   • T. Zhu
   • H. L. Mogensen
   • S. E. Smith

   Originals Pages: 21 - 26

5. AMMI adjustment for statistical analysis of an international wheat yield trial

   • J. Crossa
   • P. N. Fox
   • H. G. Gauch Jr.

   Originals Pages: 27 - 37

6. Pollen viability and pollen vigor

   • K. R. Shivanna
   • H. F. Linskens
   • M. Cresti

   Originals Pages: 38 - 42

7. Characterization of disomic addition lines Brassica napus-Brassica nigra by isozyme, fatty acid, and RFLP markers

   • A. M. Chevre
   • P. This
   • C. F. Quiros

   Originals Pages: 43 - 49

8. Molecular heterogeneity and genetics of Vicia faba seed storage proteins

   • M. Tucci
   • R. Capparelli
   • R. Rao

   Originals Pages: 50 - 58

9. Cytological evidences of SDR-FDR mixture in the formation of 2n eggs in a potato diploid clone

   • C. Conicella
   • A. Barone
   • L. M. Monti

   Originals Pages: 59 - 63

10. Leaf physiological aspects of nitrogen-use efficiency in Brassica campestris L.: quantitative genetic variation across nutrient treatments

    • A. S. Evans

    Originals Pages: 64 - 70

11. A genome-specific repeat sequence from kiwifruit (Actinidia deliciosa var. deliciosa)

    • R. N. Crowhurst
    • R. C. Gardner

    Originals Pages: 71 - 78

12. Prediction of F₃ row performance from F₂ individual plant data in oats

    • R. R. Hill Jr.
    • F. L. Kolb
    • H. G. Marshall

    Originals Pages: 79 - 82

13. Chloroplast DNA restriction fragment length polymorphism in Sequoia sempervirens D. Don Endl., Pseudotsuga menziesii (Mirb.) Franco, Calocedrus decurrens (Torr.), and Pinus taeda L.

    • I. F. Ali
    • D. B. Neale
    • K. A. Marshall

    Originals Pages: 83 - 89

14. Activation of the maize transposable element Suppressor-mutator (Spm) in tissue culture

    • V. M. Peschke
    • R. L. Phillips

    Originals Pages: 90 - 97

15. Chromosomal location of genes for Rubisco small subunit and Rubisco-binding protein in common wheat

    • S. Galili
    • G. Galili
    • M. Feldman

    Originals Pages: 98 - 104

16. Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench]

    • A. G. Olonju Dixon
    • P. J. Bramel-Cox
    • T. L. Harvey

    Originals Pages: 105 - 110

17. Genetic analysis of morphological variability in three Plantago species with different mating systems

    • K. Wolff

    Originals Pages: 111 - 118

18. Analysis of allozyme variability in three Plantago species and a comparison to morphological variability

    • K. Wolff

    Originals Pages: 119 - 126

19. Encoding genes for endosperm proteins in Hordeum chilense

    • J. A. Tercero
    • A. Bernardo
    • N. Jouve

    Originals Pages: 127 - 132

20. New disease resistance genes in soybean against Pseudomonas syringae pv glycinea: evidence that one of them interacts with a bacterial elicitor

    • N. T. Keen
    • R. I. Buzzell

    Originals Pages: 133 - 138

21. Comment on “Selection system efficiencies for computer-simulated progeny test field designs in loblolly pine” J. A. Loo-Dinkins, C. G. Tauer and C. C. Lambeth

    • R. D. Burdon

    Letter to the Editor Pages: 139 - 139

22. Book reviews

    • H. F. Linskens

    BookReview Pages: 140 - 140

23. Erratum

    Erratum Pages: 140 - 140