1. Effect of osmotic pressure on root growth, cell cycle and cell elongation

   • F. González-Bernáldez
   • J. F. López-Sáez
   • G. García-Ferrero

   OriginalPaper Pages: 255 - 262

2. A model for dynamics of cell division cycle in onion roots

   • A. González-Fernández
   • J. F. López-Sáez
   • G. Giménez-Martin

   OriginalPaper Pages: 263 - 276

3. Cotton embryogenesis: The sperm

   • William A. Jensen
   • Donald B. Fisher

   OriginalPaper Pages: 277 - 286

4. Developmental changes in the secondary xylem ofAcer rubrum induced by various auxins and 2,3,5-tri-iodobenzoic acid

   • Philip R. Morey
   • James Cronshaw

   OriginalPaper Pages: 287 - 313

5. Developmental changes in the secondary xylem ofAcer rubrum induced by gibberellic acid, various auxins and 2,3,5-tri-iodobenzoic acid

   • Philip R. Morey
   • James Cronshaw

   OriginalPaper Pages: 315 - 326

6. Über die Lokalisation löslicher Zucker in Keimlingswurzeln

   • Svetlana Koshuchowa
   • Horst Göring

   OriginalPaper Pages: 327 - 333

7. Beeinflussung der Thylakoidbildung durch Disharmonie zwischen Genom und Plastom

   • Franz Schötz
   • Lothar Diers

   OriginalPaper Pages: 335 - 348

8. Differenzierung und Zellwandbildung in isoliertem Cytoplasma ausAcetabularia

   • Günther Werz

   OriginalPaper Pages: 349 - 357

9. Referate

   • J. Hölzl
   • L. Stockinger
   • K. Umrath

   BookReview Pages: 358 - 362