1. An evaluation of single plant randomised field trials of sugar beet (Beta vulgaris L.)

   • M. A. Cornish
   • M. C. Smith
   • I. J. Mackay

   OriginalPaper Pages: 1 - 7

2. In vitro conservation of crop germplasm and the IBPGR databases

   • Lyndsey A. Withers
   • Shelagh K. Wheelans
   • J. T. Williams

   OriginalPaper Pages: 9 - 22

3. Differential occurrence of beet cryptic viruses—A new tool for germplasm characterization and evolutionary studies in beets?

   • K. Hammer
   • A. Stanarius
   • T. Kühne

   OriginalPaper Pages: 23 - 27

4. Interaction in Brassica napus between genome and alien plasmon

   • M. W. Zaman

   OriginalPaper Pages: 29 - 31

5. Inheritance of Striga seed-germination stimulant in sorghum

   • K. V. Ramaiah
   • V. L. Chidley
   • L. R. House

   OriginalPaper Pages: 33 - 38

6. The effects of insect pollination on canola (Brassica napus L. cv. O.A.C. Triton) seed germination

   • P. G. Kevan
   • D. Eisikowitch

   OriginalPaper Pages: 39 - 41

7. Chlorophyll fluorescence as a tool in soybean improvement for N₂ fixation efficiency

   • M. H. Paul
   • C. Planchon

   OriginalPaper Pages: 43 - 47

8. Influence of timing of cross-versus self-pollination on self-incompatibility in Brussels sprout inbreds

   • R. L. Holland
   • T. McNeilly

   OriginalPaper Pages: 49 - 57

9. Sources of resistance to Pyrenophora tritici-repentis in bread wheats

   • R. G. Rees
   • G. J. Platz

   OriginalPaper Pages: 59 - 69

10. Growth of wheat leaf rust colonies in susceptible and partially resistant spring wheats

    • Th. Jacobs
    • M. B. Buurlage

    OriginalPaper Pages: 71 - 80

11. Abortion of infection structures of wheat leaf rust in susceptible and partially resistant wheat genotypes

    • Th. Jacobs

    OriginalPaper Pages: 81 - 86

12. Variation of characters in near-isogenic lines of wheat with added genes for leaf rust resistance

    • P. M. Fried
    • H. Winzeler

    OriginalPaper Pages: 87 - 92