1. Heritability of a linear combination of traits

   • C. Y. Lin
   • F. R. Allaire

   OriginalPaper Pages: 1 - 3

2. Observations on the genetic structure and mating system of ponderosa pine in the Colorado front range

   • J. B. Mitton
   • Y. B. Linhart
   • J. S. Beckman

   OriginalPaper Pages: 5 - 13

3. The level of free amino acids in erythrocytes of different breeds of hen

   • R. Gondko
   • W. Michalak
   • A. Koł⇓taj

   OriginalPaper Pages: 15 - 18

4. The gene of golden plumage colour linked with lower fertility in Mangurian Golden quail

   • B. Kraszewska-Domańska
   • B. Pawluczuk

   OriginalPaper Pages: 19 - 20

5. Genotypic and environmental variation in autumn-sown onions

   • J. F. M. Fennell
   • P. J. Salter

   OriginalPaper Pages: 21 - 28

6. Selection studies in sugarcane (Saccharum sp. hybrids)

   • K. K. Wu
   • D. J. Heinz
   • S. L. Ladd

   OriginalPaper Pages: 29 - 33

7. Measuring the precision of genetic parameters by a simulation technique

   • D. D. Rodda
   • L. R. Schaeffer
   • G. W. Friars

   OriginalPaper Pages: 35 - 39

8. Stability analysis over various filial generations in bread wheat

   • G. S. Bhullar
   • K. S. Gill
   • A. S. Khehra

   OriginalPaper Pages: 41 - 44

9. Book reviews

   • H. F. Linskens
   • E. Leppik
   • E. Hofmann

   BookReview Pages: 45 - 48