1. Interpretations on chloroplast reproduction derived from correlations between cells and chloroplasts

   • S. I. Honda
   • Tasani Hongladarom-Honda
   • S. G. Wildman

   OriginalPaper Pages: 1 - 15

2. Etude du métabolisme des acides nucléiques et des protéines au cours de l'initiation de racines adventives

   • R. Jalouzot

   OriginalPaper Pages: 16 - 27

3. Ouabain-insensitive K influx in Hydrodictyon africanum

   • J. A. Raven

   OriginalPaper Pages: 28 - 38

4. RNA synthesis and the germination of light-sensitive lettuce seeds

   • B. Frankland
   • B. C. Jarvis
   • J. H. Cherry

   OriginalPaper Pages: 39 - 49

5. Influence of IAA upon the longitudinal and tangential movement of labelled sugars in the phloem of Willow

   • N. W. Lepp
   • A. J. Peel

   OriginalPaper Pages: 50 - 61

6. Zum Feinbau der Siebröhren-Plastiden von Aristolochia und Asarum (Aristolochiaceae)

   • Heinz-Dietmar Behnke

   OriginalPaper Pages: 62 - 69

7. Sequential changes in amylase isozymes during grain maturation in barley

   • J. L. Stoddart

   OriginalPaper Pages: 70 - 82

8. Rapid action of abscisic acid on photosynthesis and stomatal resistance

   • Cathryn J. Mittelheuser
   • R. F. M. van Steveninck

   Short Communication Pages: 83 - 86

9. Abscission: Control of cellulase secretion by ethylene

   • F. B. Abeles
   • G. R. Leather

   Short Communication Pages: 87 - 91

10. Corrigendum

    • Friedrich-Wilhelm Bentrup

    Erratum Pages: 92 - 92