1. Exocytosis in non-plasmolyzed and plasmolyzed tobacco pollen tubes

   • M. Kroh
   • B. Knuiman

   OriginalPaper Pages: 287 - 299

2. The role of bacterial attachment in the transformation of cell-wall-regenerating tobacco protoplasts by Agrobacterium tumefaciens

   • F. A. Krens
   • L. Molendijk
   • R. A. Schilperoort

   OriginalPaper Pages: 300 - 308

3. Cortical microtubular lattices: Absent from mature mesophyll and necessary for cell division?

   • G. Hahne
   • F. Hoffmann

   OriginalPaper Pages: 309 - 313

4. The control of seed germination in Trollius ledebouri: The breaking of dormancy

   • A. Hepher
   • J. A. Roberts

   OriginalPaper Pages: 314 - 320

5. The control of seed germination in Trollius ledebouri A model of seed dormancy

   • A. Hepher
   • J. A. Roberts

   OriginalPaper Pages: 321 - 328

6. Immuno-gold localization of glutamine synthetase in a nitrogen-fixing cyanobacterium (Anabaena cylindrica)

   • B. Bergman
   • P. Lindblad
   • E. Tiberg

   OriginalPaper Pages: 329 - 334

7. Water droplets in intercellular spaces of barley leaves examined by low-temperature scanning electron microscopy

   • R. S. Pearce
   • A. Beckett

   OriginalPaper Pages: 335 - 340

8. Effects of external pH, fusicoccin and butyrate on the cytoplasmic pH in barley root tips measured by ³¹P-nuclear magnetic resonance spectroscopy

   • R. J. Reid
   • L. D. Field
   • M. G. Pitman

   OriginalPaper Pages: 341 - 347

9. Evidence for phytochrome involvement in light-mediated stomatal movement in Phaseolus vulgaris L.

   • M. G. Holmes
   • W. H. Klein

   OriginalPaper Pages: 348 - 353

10. A comparative study of metabolite levels in plant leaf material in the dark

    • M. Stitt
    • W. Wirtz
    • Ch. Foyer

    OriginalPaper Pages: 354 - 364

11. Circadian-clock control of protein synthesis and degradation in Gonyaulax polyedra

    • G. Cornelius
    • A. Schroeder-Lorenz
    • L. Rensing

    OriginalPaper Pages: 365 - 370

12. Photosynthate transport in stems of Phaseolus vulgaris L. treated with gibberellic acid, indole-3-acetic acid or kinetin.

    • P. M. Hayes
    • J. W. Patrick

    OriginalPaper Pages: 371 - 379

13. Effects of drought on photosynthesis, chlorophyll fluorescence and photoinhibition susceptibility in intact willow leaves

    • E. Ögren
    • G. Öquist

    OriginalPaper Pages: 380 - 388

14. Monoclonal antibodies to plant growth regulators. II. Indole-3-acetic acid

    • R. Mertens
    • J. Eberle
    • E. W. Weiler

    OriginalPaper Pages: 389 - 393

15. Phosphoproteins and protein-kinase activity in isolated envelopes of pea (Pisum sativum L.) chloroplasts

    • J. Soll

    OriginalPaper Pages: 394 - 400

16. Detoxification of N-(phosphonoacetyl)-L-aspartate by carrot cells in suspension culture

    • S. C. J. Cole
    • R. J. Yon

    OriginalPaper Pages: 401 - 406

17. Changes in the levels of wheat- and barley-germ agglutinin during embryogenesis in vivo, in vitro and during germination

    • P. C. Morris
    • S. E. Maddock
    • D. J. Bowles

    OriginalPaper Pages: 407 - 413

18. Photosynthesis and ribulose-1,5-bisphosphate carboxylase/oxygenase in rice leaves from emergence through senescence. Quantitative analysis by carboxylation/oxygenation and regeneration of ribulose 1,5-bisphosphate

    • A. Makino
    • T. Mae
    • K. Ohira

    OriginalPaper Pages: 414 - 420

19. Optimization of the biotransformation of l-tyrosine into l-dihydroxyphenylalanine (DOPA) by alginate-entrapped cells of Mucuna pruriens

    • H. J. Wichers
    • T. M. Malingré
    • H. J. Huizing

    OriginalPaper Pages: 421 - 428

20. Cytokinin contents and specific characteristics of tissue strains from three sexual genotypes of Mercurialis annua

    • A. Champault
    • B. Guérin
    • G. Teller

    OriginalPaper Pages: 429 - 437

21. Erratum

    Erratum Pages: 437 - 437