1. Parasexual analysis of common-A crosses in the basidiomycete Agrocybe aegerita

   • R. Marmeisse

   Original Articles Pages: 195 - 201

2. Sexual differentiation in Asparagus officinalis L.

   • M. G. Galli
   • M. Bracale
   • C. Soave

   Original Articles Pages: 202 - 207

3. Pre-fertilization degeneration of both synergids in Brassica campestris ovules

   • J. Van Went
   • M. Cresti

   Original Articles Pages: 208 - 216

4. Cytological aspects of in vitro androgenesis in wheat (Triticum aestivum L.) using fluorescent microscopy

   • Éva Szakács
   • Beáta Barnabás

   Original Articles Pages: 217 - 222

5. In vitro test of self-incompatibility in Malus domestica

   • A. Speranza
   • G. L. Calzoni

   Original Articles Pages: 223 - 227

6. Cytokinesis in microspore mother cells of Impatiens sultani

   • J. Van Went
   • M. Cresti

   Original Articles Pages: 228 - 233

7. Wide hybridization in Brassica

   • P. B. A. Nanda Kumarm
   • K. R. Shivanna
   • Shyam Prakash

   Original Articles Pages: 234 - 239

8. Generative cell division and sperm cell formation in barley

   • Maria Charzyńska
   • Fabrizio Ciampolini
   • Mauro Cresti

   Original Articles Pages: 240 - 247

9. The structure and cytochemistry of the pistil of Hypericum calycinum: the style

   • F. Ciampolini
   • K. R. Shivanna
   • M. Cresti

   Original Articles Pages: 248 - 255