1. Effects of water stress on male gametophyte development in plants

   • Hargurdeep S. Saini

   REVIEW Pages: 67 - 73

2. Calcium-induced sperm fusion in Zea mays L.

   • Guichang Zhang
   • D. Liu
   • D. D. Cass

   ORIGINAL PAPER Pages: 74 - 82

3. Calcium-induced protein phosphorylation and changes in levels of calmodulin and calreticulin in maize sperm cells

   • Connie M. Williams
   • Guichang Zhang
   • D. D. Cass

   ORIGINAL PAPER Pages: 83 - 88

4. Transglutaminase-catalyzed modification of cytoskeletal proteins by polyamines during the germination of Malus domestica pollen

   • S. Del Duca
   • A.M. Bregoli
   • D. Serafini-Fracassini

   ORIGINAL PAPER Pages: 89 - 95

5. Induced single fertilization in maize

   • Akio Kato

   ORIGINAL PAPER Pages: 96 - 100

6. Effects of pollen competitive environment on pollen performance in Mirabilis jalapa (Nyctaginaceae)

   • R. A. Niesenbaum
   • S. K. Schueller

   ORIGINAL PAPER Pages: 101 - 106

7. Induced ADH gene expression and enzyme activity in pollinated pistils of Solanum tuberosum

   • G. J. van Eldik
   • R. K. Ruiter
   • George J. Wullems

   ORIGINAL PAPER Pages: 107 - 109

8. Occurrence of mono- or disaccharides and polysaccharide reserves in mature pollen grains

   • A. Speranza
   • G. L. Calzoni
   • E. Pacini

   ORIGINAL PAPER Pages: 110 - 115

9. Interspecific crosses in the genus Tulipa L.: identification of pre-fertilization barriers

   • M. G. M. Van Creij
   • D. M. F. J. Kerckhoffs
   • J. M. Van Tuyl

   ORIGINAL PAPER Pages: 116 - 123

10. A pollen-specific cDNA of Phalaris coerulescens shows homology to Zm13

    • U. Baumann
    • P. Langridge

    SEQUENCE UPDATE Pages: 124 - 125