1. Genetic characterization and floral development of female sterile and stubby head, two aposporous mutants of pearl millet

   • R. N. Morgan
   • J. Alvernaz
   • P. Ozias-Akins

   ORIGINAL PAPER Pages: 127 - 135

2. Purification and characterization of tubulin from ginkgo pollen

   • Hong Zhang
   • Guoqin Liu
   • L.-F. Yen

   ORIGINAL PAPER Pages: 136 - 141

3. An ultrastructural study of the mature spermatozoid of the fern Asplenium trichomanes L. subsp. trichomanes

   • P. Gori
   • Simonetta Muccifora
   • Lorenza M. Bellani

   ORIGINAL ARTICLE Pages: 142 - 148

4. Sex determination in Actinidia. 1. Sex-linked markers and progeny sex ratio in diploid A. chinensis

   • C. F. Harvey
   • G. P. Gill
   • M. A. McNeilage

   ORIGINAL PAPER Pages: 149 - 154

5. Sex organ determination and differentiation in the dioecious plant Melandrium album (Silene latifolia): a cytological and histological analysis

   • Isabelle Farbos
   • Margarida Oliveira
   • A. Mouras

   ORIGINAL PAPER Pages: 155 - 167

6. Isolation of a diploid, apomictic plant of Hieracium aurantiacum

   • R. A. Bicknell

   ORIGINAL PAPER Pages: 168 - 172

7. Adhesion of lily pollen tubes on an artificial matrix

   • Guang Yuh Jauh
   • Kathleen J. Eckard
   • E. M. Lord

   ORIGINAL PAPER Pages: 173 - 180

8. A chalcone synthase-like cDNA from rice anther

   • L.-J. Qu
   • Y. Zhang
   • Zhang-Liang Chen

   SEQUENCE UPDATE Pages: 181 - 183