1. Editorial

   EditorialNotes Pages: 259 - 259

2. The En/Spm transposable element of Zea mays

   • Alfons Gierl
   • Heinz Saedler

   OriginalPaper Pages: 261 - 266

3. Recent developments in the molecular genetics and biology of self-incompatibility

   • A. E. Clarke
   • M. A. Anderson
   • J. R. Woodward

   OriginalPaper Pages: 267 - 271

4. Direct DNA transfer to plant cells

   • M. R. Davey
   • E. L. Rech
   • B. J. Mulligan

   OriginalPaper Pages: 273 - 285

5. Genetic manipulation of floral pigmentation genes

   • Joseph N. M. Mol
   • Antoine R. Stuitje
   • Alexander van der Krol

   OriginalPaper Pages: 287 - 294

6. Use of roots transformed by Agrobacterium rhizogenes in rhizosphere research: applications in studies of cadmium assimilation from sewage sludges

   • D. Tepfer
   • L. Metzger
   • R. Prost

   OriginalPaper Pages: 295 - 302

7. Control and manipulation of gene expression during tomato fruit ripening

   • Wolfgang Schuch
   • Colin R. Bird
   • Donald Grierson

   OriginalPaper Pages: 303 - 311

8. Perspectives for the genetic engineering of plants for agriculture, horticulture and industry

   • Diter von Wettstein

   OriginalPaper Pages: 313 - 317

9. Regulation of plant genes specifically induced in nitrogen-fixing nodules: role of cis-acting elements and trans-acting factors in leghemoglobin gene expression

   • F. J. de Bruijn
   • G. Felix
   • J. Schell

   OriginalPaper Pages: 319 - 325

10. Transformation of plant cells via Agrobacterium

    • Paul J. J. Hooykaas

    OriginalPaper Pages: 327 - 336

11. Engineering virus resistance in agricultural crops

    • Peter J. M. van den Elzen
    • Marianne J. Huisman
    • Ben J. C. Cornelissen

    OriginalPaper Pages: 337 - 346