1. Pollen size in Hordeum L.: correlation between size, ploidy level, and breeding system

   • Bo Johansen
   • Roland von Bothmer

   Original Paper Pages: 259 - 263

2. Differential roles of microtubule and actin-myosin cytoskeleton in the growth of Pinus pollen tubes

   • Osamu Terasaka
   • Tsuneyoshi Niitsu

   Original Paper Pages: 264 - 272

3. Effects of prior self-pollination on outcrossed seed set in tristylous Pontederia sagittata (Pontederiaceae)

   • R. W. Scribailo
   • S. C. H. Barrett

   Original Paper Pages: 273 - 281

4. True seed production in garlic

   • M. R. Pooler
   • P. W. Simon

   Original Paper Pages: 282 - 286

5. Chlorophyll and cutin in early embryogenesis in Capsella, Arabidopsis, and Stellaria investigated by fluorescence microscopy

   • B. Rodkiewicz
   • B. Fyk
   • E. Szczuka

   Original Paper Pages: 287 - 289

6. Genetic analysis of a polyembryonic mutant in rye

   • R. Linacero
   • A. M. Vázquez

   Original Paper Pages: 290 - 296

7. Self-incompatibility is codominant in intraspecific hybrids of self-compatible and self-incompatible Lycopersicon peruvianum and L. hirsutum based on protein and DNA marker analysis

   • Robert Bernatzky
   • Deborah D. Miller

   Original Paper Pages: 297 - 302

8. Declining viability and lipid degradation during pollen storage

   • Danielle G. J. L. Van Bilsen
   • Tineke van Roekel
   • Folkert A. Hoekstra

   Original Paper Pages: 303 - 310

9. The isolation of viable egg cells of wheat (Triticum aestivum L.)

   • Miklós Kovács
   • Beáta Barnabás
   • Erhard Kranz

   Short Communication Pages: 311 - 312