1. Effect of red and far-red irradiation on ABA and IAA content in Pinus sylvestris L. seed during the escape time period from photocontrol

   • Elisabeth Tillberg
   • Per-Olof Björkman

   OriginalPaper Pages: 1 - 6

2. Cytokinin and anticytokinin activity of some 4-substituted 1H-pyrazoles and 8-aza analogues of adenine

   • E. Karanov
   • V. Alexieva
   • M. Haimova

   OriginalPaper Pages: 7 - 11

3. Purine cytokinin nomenclature: a working system of abbreviations

   • N. R. Crouch
   • M. T. Smith
   • J. van Staden

   OriginalPaper Pages: 13 - 20

4. Evidence for the presence of plant growth regulators in commercial seaweed products

   • I. J. Crouch
   • J. van Staden

   OriginalPaper Pages: 21 - 29

5. Uptake and metabolism of indole-3-butyric acid and indole-3-acetic acid by Petunia cell suspension culture

   • E. Epstein
   • O. Sagee
   • A. Zelcer

   OriginalPaper Pages: 31 - 40

6. Effects of novel oxime ether derivatives of aminooxyacetic acid on ethylene formation in leaves of oilseed rape and barley and on carnation flower senescence

   • J. Kirchner
   • O. Schmidt
   • W. Rademacher

   OriginalPaper Pages: 41 - 46

7. Light and ethylene effects on assimilate distribution, acid invertase activity and keeping quality of begonia

   • J. Nowak
   • T. Fjeld

   OriginalPaper Pages: 47 - 53

8. Gibberellin structure-activity effects on flower initiation in mature trees and on shoot growth in mature and juvenile Prunus avium

   • C. M. Oliveira
   • G. Browning

   OriginalPaper Pages: 55 - 63

9. Involvement of ethylene in the regulation of growth and development of the fungus Botrytis cinerea Pers. ex. Fr.

   • E. K\cepczyńska

   OriginalPaper Pages: 65 - 69

10. Changes in free polyamines in Tulipa gesneriana flower stalks during dry-storage and after planting of bulbs

    • H. Lambrechts
    • J. M. C. Geuns
    • C. Kollöffel

    OriginalPaper Pages: 71 - 76

11. The role of endogenous auxin in root initiation

    • D. Blakesley
    • M. A. Chaldecott

    OriginalPaper Pages: 77 - 84

12. Phloem translocation of gibberellins in three species of higher plants

    • G. V. Hoad
    • J. A. Retamales
    • M. J. Lewis

    OriginalPaper Pages: 85 - 88

13. Studies on the chemical composition and biological activity of essential oil from Cyperus rotundus Linn.

    • R. S. Dhillon
    • S. Singh
    • A. S. Basra

    OriginalPaper Pages: 89 - 93

14. Effects of root restriction and growth regulator treatments on the growth of carrot (Daucus carota L.) seedlings

    • T. H. Thomas

    OriginalPaper Pages: 95 - 101

15. Spermidine biosynthesis as affected by osmotic stress in oat leaves

    • A. F. Tiburcio
    • R. Kaur-Sawhneyz
    • A. W. Galston

    OriginalPaper Pages: 103 - 109

16. Suppression of wound-induced ethylene production in muskmelon fruit tissue after vacuum infiltration with aqueous buffer

    • J. R. Dunlap
    • K. M. Robacker

    OriginalPaper Pages: 111 - 116

17. Book reviews

    • D. Palevitch
    • E. C. Cocking
    • Peter W. Barlow

    BookReview Pages: 117 - 123

18. Erratum

    Erratum Pages: 124 - 124