1. Advances in alternative DNA delivery techniques

   • D. D. Songstad
   • D. A. Somers
   • R. J. Griesbach

   Review Papers Pages: 1 - 15

2. Ultrastructural and protein changes in cell suspension cultures of peach associated with low temperature-induced cold acclimation and abscisic acid treatment

   • Rajeev Arora
   • Michael E. Wisniewski

   Original Research Papers Pages: 17 - 24

3. Somatic embryogenesis from leaf callus derived from mature trees of the cycad Ceratozamia hildae (Gymnospermae)

   • Richard E. Litz
   • Pamela A. Moon
   • Victor M. Chavez

   Original Research Papers Pages: 25 - 31

4. Plant regeneration from shoot apex explants of foxtail millet

   • Pedro Osuna-Avila
   • Alejandro Nava-Cedillo
   • José Luis Cabrera-Ponce

   Original Research Papers Pages: 33 - 35

5. In vitro plant regeneration from leaf base and mesocotyl cultures of Echinochloa colona

   • S. Samantaray
   • G. R. Rout
   • P. Das

   Original Research Papers Pages: 37 - 41

6. In vitro culture of switchgrass: Influence of 2,4-d and picloram in combination with benzyladenine on callus initiation and regeneration

   • P. D. Denchev
   • B. V. Conger

   Original Research Papers Pages: 43 - 48

7. Increased frequency of dividing microspores and improved maintenance of multicellular microspores of Coffea arabica in medium with coconut milk

   • B. Neuenschwander
   • T. W. Baumann

   Original Research Papers Pages: 49 - 54

8. The in vitro production of an anthocyanin from callus cultures of Oxalis linearis

   • H. J. Meyer
   • J. Van Staden

   Original Research Papers Pages: 55 - 58

9. Studies of cotyledon protoplast cultures from Brassica napus, B. campestris and B. oleracea. I: Cell wall regeneration and cell division

   • Kong-Nan Zhao
   • Dennis J. Bittisnich
   • Malcolm I. Whitecross

   Original Research Papers Pages: 59 - 72

10. Studies of cotyledon protoplast cultures from B napus, B. campestris and B. oleracea. II: Callus formation and plant regeneration

    • Kong-Nan Zhao
    • Dennis J. Bittisnich
    • Malcolm I. Whitecross

    Original Research Papers Pages: 73 - 84

11. Factors influencing Agrobacterium tumefaciens-mediated transformation and regeneration of the safflower cultivar ‘centennial’

    • Teresa K. Orlikowska
    • Harwood J. Cranston
    • William E. Dyer

    Original Research Papers Pages: 85 - 91

12. Barley spikelet culture: An effective tool for the analysis of biochemical events in flower development

    • James D. Astwood
    • Robert D. Hill

    Research Notes Pages: 93 - 96

13. Assessment of microinjection for introducing DNA into uninuclear microspores of rapeseed

    • Elizabeth Jones-Villeneuve
    • Bin Huang
    • Brian Miki

    Research Notes Pages: 97 - 100

14. Optimizing plant regeneration from seed-derived callus cultures of Kentucky bluegrass. The effect of benzyladenine

    • P. van der Valk
    • F. Ruis
    • C. M. van de Velde

    Research Notes Pages: 101 - 103