1. Bioassays for incompatibility

   • J. F. Jackson
   • H. F. Linskens

   Review Pages: 207 - 212

2. Microtubule organization of in situ and isolated generative cells in Zephyranthes grandiflora Lindl

   • C. Zhou
   • S. Y. Zee
   • H. Y. Yang

   Original Articles Pages: 213 - 218

3. Tracing pollen nuclei in the ovary and ovule of Gasteria verrucosa (Mill.) H. Duval after pollination with DAPI-stained pollen

   • M. T. M. Willemse
   • C. J. Keijzer

   Original Articles Pages: 219 - 224

4. Storage of pollen grains of Crotalaria retusa in oils

   • Ajay Jain
   • K. R. Shivanna

   Original Articles Pages: 225 - 227

5. Germination of trinucleated pollen: formulation of a new medium for Capsella bursa-pastoris

   • N. Leduc
   • M. Monnier
   • G. C. Douglas

   Original Articles Pages: 228 - 235

6. Sexual differentiation in Asparagus officinalis L.

   • G. P. Marziani Longo
   • G. Rossi
   • C. Soave

   Original Articles Pages: 236 - 243

7. Embryo sac development in Arabidopsis thaliana

   • Mary C. Webb
   • Brian E. S. Gunning

   Original Articles Pages: 244 - 256

8. Enzymatic isolation of living embryo sacs of Petunia

   • Jac L. Van Went
   • Hong-Sien Kwee

   Original Articles Pages: 257 - 262

9. Microsporogenesis in a normal line and in the ogu cytoplasmic male-sterile line of Brassica napus

   • P. L. Polowick
   • V. K. Sawhney

   Original Articles Pages: 263 - 276