1. Linear differentiation of cereal chromosomes

   • T. G. Zurabishvili
   • A. B. Iordansky
   • N. S. Badaev

   OriginalPaper Pages: 201 - 210

2. Male gametophyte in maize: II. Pollen vigor in inbred plants

   • Claire M. Johnson
   • D. L. Mulcahy

   OriginalPaper Pages: 211 - 215

3. Sampling strategies for using female gametophytes to estimate heterozygosity in conifers

   • R. W. Morris
   • P. T. Spieth

   OriginalPaper Pages: 217 - 222

4. Differential response to irradiation in offspring of freshwater and seawater substrains of Poecilia (Lebistes) reticulata peters in the “guppy male courtship activity test”

   • O. H. Spieser
   • J. H. Schröder

   OriginalPaper Pages: 223 - 232

5. Effect of test environment on expression of clines and on delimitation of seed zones in Douglas-fir

   • R. K. Campbell
   • F. C. Sorensen

   OriginalPaper Pages: 233 - 246

6. Flavonoid genetics of the 28-chromosome “Siberian” Iris

   • K. C. Vaughn
   • T. A. Lyerla

   OriginalPaper Pages: 247 - 248

7. Direct and maternal genetic effects on body weight maturing patterns in mice

   • W. R. Williams
   • E. J. Eisen
   • H. Bakker

   OriginalPaper Pages: 249 - 260

8. Book reviews

   • R. Wiermann
   • H. F. Linskens
   • K. Gröber

   BookReview Pages: 261 - 264