1. Ribonuclease in styles

   • J. Schrauwen
   • H. F. Linskens

   OriginalPaper Pages: 277 - 285

2. Aspects of phytochrome decay in etiolated seedlings under continuous Illumination

   • Richard E. Kendrick

   OriginalPaper Pages: 286 - 293

3. Phaseic acid: Occurrence in cotton fruit; Acceleration of abscission

   • L. A. Davis
   • J. L. Lyon
   • F. T. Addicott

   OriginalPaper Pages: 294 - 301

4. Electrical properties of parenchymal cell membranes in the oat coleoptile

   • Mary Helen M. Goldsmith
   • Hector R. Fernádez
   • Timothy H. Goldsmith

   OriginalPaper Pages: 302 - 323

5. Fine structure of abscission zones

   • Jack G. Valdovinos
   • Thomas E. Jensen
   • Linda M. Sicko

   OriginalPaper Pages: 324 - 333

6. Polysaccharidmetabolismus in den Zellwänden wachsender Keimlinge von Phaseolus aureus

   • G. Franz

   OriginalPaper Pages: 334 - 347

7. The effect of low temperature on sucrose, ATP and potassium concentrations and fluxes in the sieve tubes of willow

   • D. C. J. Gardner
   • A. J. Peel

   OriginalPaper Pages: 348 - 356

8. Effect of actinomycin D on the formation of enzymes in Jerusalem artichoke tuber slices

   • Marcel Bastin
   • Osman Ünlüer

   Short Communication Pages: 357 - 361

9. Evidence against an effect of plant hormones on thermal denaturation of pea nucleoprotein

   • Steven Spiker
   • Roger Chalkley

   Short Communication Pages: 362 - 367

10. A distinction between the actions of abscisic acid, gibberellic acid and cytokinins in light-sensitive lettuce seed

    • J. Derek Bewley
    • David W. Fountain

    Short Communication Pages: 368 - 371

11. Synergism between cytokinins and nitrate in induction of nitrate reductase activity in fenugreek cotyledons

    • Ved Parkash

    Short Communication Pages: 372 - 373