1. Rudolf Mansfeld (1901–1960)

   Announcement Pages: I - I

2. Symposium on collection of European land-races of cultivated plants and their evaluation

   • P. Hanelt
   • C. O. Lehmann

   OriginalPaper Pages: 19 - 25

3. Collecting European land-races and development of European gene banks-historical remarks

   • Christian O. Lehmann

   OriginalPaper Pages: 29 - 40

4. Some notes on the collection of land-races of cultivated plants indigenous to the territory of the Federal Republic of Germany

   • Manfred Dambroth
   • Walter Hondelmann

   OriginalPaper Pages: 41 - 45

5. Problems of genetic erosion in Transylvania, Romania

   • Attila T. Szabó

   OriginalPaper Pages: 47 - 62

6. Preservation of Hungarian land-races as genetic resources

   • László Holly
   • János Unk

   OriginalPaper Pages: 63 - 65

7. Preservation of land-races of cultivated plants in Czechoslovakia

   • Ivo Bareš
   • Jana Sehnalová

   OriginalPaper Pages: 67 - 77

8. Study of the specific and varietal diversity of field crops in Bulgaria

   • Georgi Stajkov

   OriginalPaper Pages: 79 - 80

9. Activities regarding collection and evaluation of Polish land-races

   • Władysław Kulpa
   • Peter Hanelt

   OriginalPaper Pages: 81 - 90

10. Variability of wheat land-races from Czechoslovakia and Poland

    • K. Hammer
    • M. Górski
    • J. Schultze-Motel

    OriginalPaper Pages: 91 - 97

11. Cereal land-races from Austria and their utilization in plant breeding

    • Rudolf Schachl

    OriginalPaper Pages: 99 - 110

12. Use of Hungarian land-races in breeding

    • János Unk
    • László Holly

    OriginalPaper Pages: 111 - 114

13. Genetic variability for protein content and S-aminoacids in broad-beans (Vicia faba L.)

    • Domenico Lafiandra
    • Gian Battista Polignano
    • Enrico Porceddu

    OriginalPaper Pages: 115 - 127

14. Rye genetic resources evaluation in the Botanical Garden of the Polish Academy of Sciences in Warsaw

    • Boguslaw Molski
    • Roman Kubiczek
    • Jerzy Puchalski

    OriginalPaper Pages: 129 - 136

15. Primitive and modern forms ofVicia faba

    • José I. Cubero
    • Maria -José Suso

    OriginalPaper Pages: 137 - 145

16. Origin and evaluation of cultivated plums of Georgia

    • R. K. Beridze
    • M. V. Kvatchadze

    OriginalPaper Pages: 147 - 150

17. Preservation of gene resources of potato species of different ploidy levels for the building up of breeding material

    • Horst Tiemann

    OriginalPaper Pages: 151 - 157

18. Protein resources of wildSecale species

    • Roman Kubiczek
    • Wiesław Łuczak
    • Bogusław Molski

    OriginalPaper Pages: 159 - 167

19. Use of land-races in Czechoslovak wheat breeding

    • Ivo Bareš
    • Miloslav Vlasák

    OriginalPaper Pages: 169 - 174

20. Species concepts and systematics of domesticated cereals

    • Johannes M. J. De Wet

    OriginalPaper Pages: 177 - 198

21. Comments on the basic principles of crop taxonomy

    • James Mac Key

    OriginalPaper Pages: 199 - 207

22. Taxonomy of the infraspecific variability of cultivated plants

    • Bernard R. Baum

    OriginalPaper Pages: 209 - 239

23. Numerical taxonomic studies in the generaTriticum L. andPisum L.

    • Jürgen Schultze-Motel
    • Doris Meyer

    OriginalPaper Pages: 241 - 250

24. Character analysis and numerical classification in a wheat collection from Sicily

    • Enrico Porceddu
    • Stefano Vannella
    • Pietro Perrino

    OriginalPaper Pages: 251 - 266

25. Problems of the infraspecific taxonomy of oat

    • František Kühn

    OriginalPaper Pages: 267 - 272

26. Specific and intraspecific classification ofSorghum species of the ser.Bicoloria (Snowd.) Ivanjuk. et Doron. and of the ser.Caffra (Snowd.) Ivanjuk. et Doron

    • L. K. Ivanjukovich

    OriginalPaper Pages: 273 - 286

27. Problems ofPapaver somniferum-classification and some remarks on recently collected European poppy land-races

    • Karl Hammer

    OriginalPaper Pages: 287 - 296

28. Intraspecific classification of water-melon under cultivation

    • T. B. Fursa

    OriginalPaper Pages: 297 - 300

29. The evolution of weed beet in sugar beet crops

    • Alice Evans
    • Jaqueline Weir

    OriginalPaper Pages: 301 - 310

30. Contribution to the taxonomy ofVicia species belonging to the sectionFaba

    • Pietro Perrino
    • Domenico Pignone

    OriginalPaper Pages: 311 - 319

31. Historical background and taxonomy of cultivated large-floweredClematis in Europe

    • Willem A. Brandenburg

    OriginalPaper Pages: 321 - 323

32. Biosystematic studies of cultivated plants as an aid to breeding research and plant breeding

    • John G. Hawkes

    OriginalPaper Pages: 327 - 335

33. Alloenzyme variation and relationships among Spanish land-races ofCucumis melo L.

    • José T. Esquinas

    OriginalPaper Pages: 337 - 352

34. Investigation into chromosome morphology of sugar beet and related wild species

    • Hans de Jong

    OriginalPaper Pages: 353 - 360

35. New botanical variants ofTriticum sphaerococcum Perc. andTriticum spelta L. developed by hybridization of species from the genusAegilops L. withTriticum aestivum L

    • Bogdan Bochev

    OriginalPaper Pages: 361 - 367

36. Possible relationships between wild and cultivated carrots (Daucus carota L.) in the Netherlands

    • Willem A. Brandenburg

    OriginalPaper Pages: 369 - 375

37. Biosystematics of crop-weed complexes

    • Barbara Pickersgill

    OriginalPaper Pages: 377 - 388

38. Activity of r-RNA cistrons as a tool for the identification of genomes in the genusTriticum L.

    • Sevdalin Georgiev
    • Marlen Kristeva
    • Hristo Nicoloff

    OriginalPaper Pages: 389 - 389

39. Isoenzyme variation within the wildSecale L. species

    • Jerzy Puchalski
    • Bogusław Molski

    OriginalPaper Pages: 391 - 399