1. Effect of a plant-derived smoke extract, N⁶-benzyladenine and gibberellic acid on the thermodormancy of lettuce seeds

   • A. Strydom
   • A. K. Jäger
   • J. van Staden

   Short Communication Pages: 97 - 100

2. Endogenous plant growth regulators and rooting capacity of different walnut tissues

   • Isabel Feito
   • Ma Angeles Gea
   • Roberto Rodríguez

   OriginalPaper Pages: 101 - 108

3. The control of flower initiation by gibberellin in Helianthus annuus L. (sunflower), a non-photoperiodic plant

   • Julieta A. S. Almeida
   • M. Fátima D. A. Pereira

   OriginalPaper Pages: 109 - 115

4. Chemical induction of adventitious root formation in Taxus baccata cuttings

   • Shyamal K. Nandi
   • Lok Man S. Palni
   • H. C. Rikkari

   OriginalPaper Pages: 117 - 122

5. The effects of exogenous auxin and rol genes on root formation in Rosa hybrida L. ‘Moneyway’

   • Theo P. M. van der Salm
   • Caroline J. G. van der Toorn
   • Hans J. M. Dons

   OriginalPaper Pages: 123 - 131

6. The quantification of 1-(malonylamino)cyclopropane-1-carboxylic acid in plant tissues by quantitative mass spectrometry

   • Michael C. Clarke
   • Khosrow M. Kalantari
   • Aileen R. Smith

   OriginalPaper Pages: 133 - 137

7. Occurrence of jasmonic acid in organs of Solanum tuberosum L. and its effect on tuberization

   • G. Abdala
   • G. Castro
   • O. Miersch

   OriginalPaper Pages: 139 - 143

8. Involvement of ethylene on growth and plant regeneration in callus cultures of Heliconia psittacorum L.f.

   • Prakash P. Kumar
   • Marie J. Nathan
   • Chong Jin Goh

   OriginalPaper Pages: 145 - 151

9. Benzyladenine and derivatives-their significance and interconversion in plants

   • J. van Staden
   • N.R. Crouch

   OriginalPaper Pages: 153 - 175

10. The effect of air temperature in successive periods of the growing season on sylleptic shoot formation in young apple trees

    • J. Tromp
    • B. C. Boertjes

    OriginalPaper Pages: 177 - 182

11. Changes in cell wall polysaccharides in the internodes of submerged floating rice

    • Tetsushi Azuma
    • Yoriko Sumida
    • Takeshi Yasuda

    OriginalPaper Pages: 183 - 187

12. Phytohormone effects on hydrolytic activity of phosphohydrolases in red beet (Beta vulgaris L.) tonoplasts

    • N. V. Ozolina
    • E. V. Pradedova
    • R. K. Salyaev

    OriginalPaper Pages: 189 - 191

13. Book reviews

    BookReview Pages: 193 - 195