1. Editorial: To level out the manuscript mountain

   EditorialNotes Pages: i - i

2. Publisher's announcements

   Announcement Pages: ii - ii

3. Pollen storage in cocoyam (Xanthosoma sagittifolium (L.) Schott)

   • A. Agueguia
   • C. A. Fatokun

   OriginalPaper Pages: 195 - 198

4. Identification of pedigrees of hybrid maize (Zea mays L.) cultivars by isozyme electrophoresis and reversed-phase high-performance liquid chromatography

   • J. S. C. Smith

   OriginalPaper Pages: 199 - 205

5. Increased regeneration from NaCl-tolerant callus in rice

   • Yong-Hwan Kim
   • Tae-Young Chung
   • Won-Yul Choi

   OriginalPaper Pages: 207 - 212

6. Cytological studies on adventitious shoots and minitubers of a monoploid potato clone

   • J. H. M. Hovenkamp-Hermelink
   • E. Jacobsen
   • W. J. Feenstra

   OriginalPaper Pages: 213 - 219

7. Effect of pollen storage by drying and deep-freezing on the expression of different agronomic traits in maize (Zea mays L.)

   • B. Barnabas
   • G. Kovacs
   • P. Pfahler

   OriginalPaper Pages: 221 - 225

8. Variation in vegetative parameters related to the nitrogen economy of wild barley, Hordeum spontaneum, in Israel

   • H. Corke
   • E. Nevo
   • D. Atsmon

   OriginalPaper Pages: 227 - 232

9. Important considerations in the analysis of generation means

   • Robert J. Beaver
   • Jorge A. Mosjidis

   OriginalPaper Pages: 233 - 235

10. On the optimum grid size in field experiments without replications

    • W. E. Weber
    • P. Stam

    OriginalPaper Pages: 237 - 247

11. The effects of kinetin on callus characters in alfalfa (Medicago sativa L.)

    • Y. Wan
    • E. L. Sorensen
    • G. H. Liang

    OriginalPaper Pages: 249 - 254

12. Callus formation and plantlet regeneration from immature Triticum durum Desf. embryos

    • A. Bennici
    • L. Caffaro
    • P. Profumo

    OriginalPaper Pages: 255 - 263

13. Low temperature storage of pistachio pollen

    • Vito S. Polito
    • Juvenal G. Luza

    OriginalPaper Pages: 265 - 269

14. Unreduced pollen frequencies versus hybrid production in diploid-tetraploid Vaccinium crosses

    • Betsy Shoemaker Megalos
    • James R. Ballington

    OriginalPaper Pages: 271 - 278

15. The quantitative relationship between telomeric heterochromatin and secalin synthesis in Secale cereale L.

    • M. R. L. Owen
    • E. N. Larter

    OriginalPaper Pages: 279 - 284

16. Evaluation of field resistance of Daucus carota cultivars to Cercospora carotae (carrot leaf spot)

    • A. Lebeda
    • J. Coufal
    • P. Kvasnička

    OriginalPaper Pages: 285 - 288

17. Book reviews

    BookReview Pages: 289 - 291