Euphytica

, Volume 28, Issue 3, pp 601–608 | Cite as

Co-heritability: Its relation to correlated response, linkage, and pleiotropy in cases of polygenic inheritance

  • M. J. J. Janssens
Article

Summary

The concept of co-heritability is proposed in order to describe the genetic associations within pairs of quantitative traits. The mathematical relations between co-heritability, correlated response, and the coefficient of genetic prediction are shown. From observations in a diallel experiment with 10 year-old slash pine it appeared that the genetic association of a character pair is a phenomenon of low genetic variability and high inheritance. Exploratory indicators are proposed to estimate the nature of the genetic association.

Index words

Pinus elliottii slash pine co-heritability polygenic inheritance linkage correlated response pleiotropy 

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References

  1. Baradat, P., 1976. Use of juvenile-mature relationships and information from relatives in combined multitrait selection. IUFRO, Advanced Generation Breeding, Bordeaux-June 14–18, 1976, pp. 121–138. INRA, Lab. d'Amélioration des Conifères, 33610 CESTAS, France.Google Scholar
  2. Falconer, D. S., 1960. Introduction to quantitative genetics. Oliver and Boyd, Edinburgh and London.Google Scholar
  3. Gallais, A., 1973. Selection pour plusieurs caractères; synthèse critique et généralisation. Ann. Amélior. Plantes 23: 183–208.Google Scholar
  4. Janssens, M. J. J., 1978. Analysis of an unbalanced diallel cross in slash pine (Pinus elliottii var. elliottii Little & Dorman). M. Agr. Sc. Thesis, Univ. Queensland.Google Scholar
  5. Mather, K. & J. L. Jinks, 1971. Biometrical genetics. Chapman & Hall Ltd. London.Google Scholar
  6. Smith, H. F., 1936. A discriminant function for plant selection. Ann. Eugenics 7: 240–250.Google Scholar
  7. Van der Veen, J. H., 1959. Test of non-allelic interaction and linkage for quantitative characters in generations from two diploid pure lines. Genetica 30: 201–232.PubMedGoogle Scholar

Copyright information

© H. Veenan zonen B.V 1979

Authors and Affiliations

  • M. J. J. Janssens
    • 1
  1. 1.Institut des Sciences Agronomiques du Rwanda (ISAR)ButareRwanda

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