1. Microfilaments (F-actin) in generative cells and sperm: an evaluation

   • Barry A. Palevitz
   • Bo Liu

   Original Articles Pages: 89 - 100

2. Expression of S-locus glycoprotein genes from Brassica oleracea and B. campestris in transgenic plants of self-compatible B. napus cv Westar

   • T. Nishio
   • K. Toriyama
   • M. E. Nasrallah

   Original Articles Pages: 101 - 109

3. Changes in lipids and polysaccharides during pollen ontogeny in Oenothera anthers

   • I. Noher de Halac
   • G. Fama
   • I. A. Cismondi

   Original Articles Pages: 110 - 116

4. Studies of pollen maturation in cotton: the storage reserve accumulation phase

   • Cherie L. R. Wetzel
   • William A. Jensen

   Original Articles Pages: 117 - 127

5. Competence of the pollen of wild species and the cultivar of tomato to affect fertilization at low temperature

   • V. A. Lyakh

   Original Articles Pages: 128 - 130

6. The formation of the generative cell in Polystachia pubescens (Orchidaceae)

   • M. Schlag
   • M. Hesse

   Original Articles Pages: 131 - 137

7. A cytochemical study on the role of ATPases during pollen germination in Agapanthus umbelatus L'Her.

   • J. A. Feijó
   • R. Malhó
   • M. S. S. Pais

   Original Articles Pages: 138 - 145

8. DNA content of Phaseolus coccineus x P. vulgaris suspensors

   • K. W. Pomper
   • E. E. Hoover
   • P. D. Ascher

   Original Articles Pages: 146 - 150

9. Synergid degeneration in Nicotiana: a quantitative, fluorochromatic and chlorotetracycline study

   • B. Q. Huang
   • S. D. Russell

   Original Articles Pages: 151 - 155

10. Video microscopic observations of living, isolated embryo sacs of Nicotiana and their component cells

    • B.-Q. Huang
    • E. S. Pierson
    • M. Cresti

    Original Articles Pages: 156 - 162