1. Immunoelectrophoretic analysis of seed proteins from Pisum sativum L.

   • P. Guldager

   OriginalPaper Pages: 241 - 250

2. Investigations on the transfer of isolated nuclei into plant protoplasts

   • H. Lörz
   • I. Potrykus

   OriginalPaper Pages: 251 - 256

3. The causes of genetic male sterility in 3 soybaen lines

   • P. R. Rubaihayo
   • G. Gumisiriza

   OriginalPaper Pages: 257 - 260

4. Introduction of two chromosomal translocations of Sus scrofa nigripes and Sus scrofa scrofa into the genome of Sus scrofa domestica

   • V. N. Tikhonov
   • Anna I. Troshina

   OriginalPaper Pages: 261 - 264

5. Genetics of tassel branch number in maize and its implications for a selection program for small tassel size

   • S. H. Schuetz
   • J. J. Mock

   OriginalPaper Pages: 265 - 271

6. Genetics of speciation in the basidiomycetous genus Polyporus

   • P. Hoffmann
   • K. Esser

   OriginalPaper Pages: 273 - 282

7. Book reviews

   • H. F. Linskens
   • E. Günther
   • S. J. Geerts

   BookReview Pages: 283 - 284