1. Effects of foliar applied gibberellic acid and benzyladenine upon yield components in sunflower (Helianthus annuus L.)

   • J. Beltrano
   • D. O. Caldiz
   • R. Bezus

   OriginalPaper Pages: 101 - 106

2. Ethylene as promoter of wheat grain maturation and ear senescence

   • Jose Beltrano
   • Alejandra Carbone
   • Juan Jose Guiamet

   OriginalPaper Pages: 107 - 112

3. Agrobacterium mediated transformation of Petunia hybrida with yeast Δ-9 fatty acid desaturase

   • Mewa L. Choudhary
   • Chee-Kok Chin
   • Charles E. Martin

   OriginalPaper Pages: 113 - 116

4. Isolation of two cytokinin metabolites from the rhizosphere of Norway spruce seedlings (Picea abies L. Karst.)

   • Klaus von Schwartzenberg
   • Marc Bonnet-Masimbert
   • Patrick Doumas

   OriginalPaper Pages: 117 - 124

5. Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap

   • T. Yokota
   • M. Nakayama
   • S. Kawabe

   OriginalPaper Pages: 125 - 128

6. Pollination-induced senescence of Phalaenopsis petals

   • R. Porat
   • A. Borochov
   • S. D. O'Neill

   OriginalPaper Pages: 129 - 136

7. The biosynthesis and translocation of ¹⁴C-IAA in Ricinus communis

   • V. Borkovec
   • F. Didehvar
   • D. A. Baker

   OriginalPaper Pages: 137 - 141

8. Polyamine metabolism and in vitro cell multiplication and differentiation in leaf explants of Chrysanthemum morifolium Ramat

   • M. Aribaud
   • M. Carré
   • J. Martin-Tanguy

   OriginalPaper Pages: 143 - 155

9. Changes in abscisic acid and its glucose ester in Phaseolus vulgaris L. during chilling and water stress

   • Paolo Vernieri
   • Alberto Pardossi
   • Franco Tognoni

   OriginalPaper Pages: 157 - 163

10. Changes in cell ultrastructure and endogenous abscisic acid and indole-3-actic acid concentrations in Fatsia japonica leaves under polyethylene glycol-induced water stress

    • M. Lopez-Carbonell
    • L. Alegre
    • H. van Onckelen

    OriginalPaper Pages: 165 - 174

11. Influence of exogenous abscisic acid on germination and plantlet conversion frequencies of hybrid larch somatic embryos (Larix × leptoeuropaea)

    • Philippe Label
    • Marie-Anne Lelu

    OriginalPaper Pages: 175 - 182

12. Book reviews

    BookReview Pages: 183 - 189