1. Expression of a foreign gene in electroporated pollen grains of tobacco

   • Benjamin F. Matthews
   • Aref A. Abdul-Baki
   • James A. Saunders

   Original Articles Pages: 147 - 151

2. In vitro culture of embryos of Cucumis spp.: heart-stage embryos have a higher ability of direct plant formation than advanced-stage embryos

   • J. B. M. Custers
   • J. H. W. Bergervoet

   Original Articles Pages: 152 - 159

3. Micromanipulation and in vitro fertilization with single pollen grains of maize

   • E. Kranz
   • H. Lörz

   Original Articles Pages: 160 - 169

4. Spatial distribution of mRNA during pre-fertilization ovule development in Capsella bursa-pastoris

   • V. Raghavan

   Original Articles Pages: 170 - 178

5. Sex determination in the dioecious Melandrium

   • D. Ye
   • P. Installé
   • I. Negrutiu

   Original Articles Pages: 179 - 186

6. Dynamic aspects of apical zonation in the angiosperm pollen tube

   • J. Heslop-Harrison
   • Y. Heslop-Harrison

   Original Articles Pages: 187 - 194

7. Heat-shock response in germinating pine pollen

   • R. C. Frankis Jr.
   • G. K. Grayson

   Original Articles Pages: 195 - 199

8. Analysis of gene expression in microspores, pollen, and silks of Zea mays L.

   • Carla Frova

   Original Articles Pages: 200 - 206