1. Changes in responsiveness to ethylene and gibberellin during corolla expansion ofIpomoea nil

   • Mandy M. Raab
   • Ross E. Koning

   OriginalPaper Pages: 121 - 131

2. Effects of mefluidide and dicamba on in vitro growth and embryogenesis ofDactylis glomerata (orchard grass)

   • R. N. Trigiano
   • B. V. Conger
   • D. D. Songstad

   OriginalPaper Pages: 133 - 146

3. Dynamics of production oftrans-zeatin andtrans-zeatin riboside by immobilized cytokinin-autonomous and cytokinin-dependent tobacco cells

   • Radomíra Vaňková
   • Miroslav Kamínek
   • Tomáš Vaněk

   OriginalPaper Pages: 147 - 157

4. Use of isopentenyladenosine and dihydrozeatin riboside antibodies for the quantification of cytokinins

   • J. Badenoch-Jones
   • C. W. Parker
   • D. S. Letham

   OriginalPaper Pages: 159 - 182