Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-26T05:55:02.317Z Has data issue: false hasContentIssue false
  • English
  • Français

The use of random F3 families for cross prediction in spring barley

Published online by Cambridge University Press:  27 March 2009

W. T. B. Thomas
W. T. B. Thomas
Affiliation:
Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA
Get access Rights & Permissions [Opens in a new window]

Summary

Random F3 families from six crosses typical of those being made in a spring barley breeding programme at the Scottish Crop Research Institute were used to rank the crosses on the basis of their predicted probabilities of exceeding a given standard for a number of characters. The predicted rankings were then compared with the observed rankings of the crosses based on observations of random inbred lines from the same crosses. The agreement between predicted and observed rankings was very good for single characters and good for bivariate combinations of the characters. The agreement for the bivariate combination of height and single plant yield was exact and the combination also appeared to be capable of accurately ranking crosses on the basis of height and plot yield.

The practical considerations of using such a cross prediction technique in a cereal breeding programme are discussed. Results from this experiment suggest that single plant measurement could be replaced by measurements on progeny rows, thereby saving considerably on labour. Predictions could just be made on the most important characters in the breeder's model for the early identification of the best crosses but this is still an advance on the approach of making many crosses and assessing relatively few selections from each cross in yield trials.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 108 , Issue 2 , April 1987 , pp. 431 - 436
Copyright
Copyright © Cambridge University Press 1987

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Brumpton, R. J., Bouohby, H. & Jinks, J. L. (1977). Joint selection for both extremes of mean performance and of sensitivity to a macro-environmental variable. 1. Family selection. Heredity 38, 219–226.CrossRefGoogle Scholar
Jinks, J. L. & Pooni, H. S. (1976). Predicting the properties of recombinant lines derived by single seed descent. Heredity 36, 253–266.CrossRefGoogle Scholar
Jinks, J. L. & Pooni, H. S. (1980). Comparing predictions of mean performance and environmental sensitivity of recombinant inbred lines based upon F 3 and triple test cross families. Heredity 45, 305–312.CrossRefGoogle Scholar
Pooni, H. S. & Jinks, J. L. (1978). Predicting the properties of recombinant inbred lines derived by single seed descent for two or more characters simultaneously. Heredity 40, 349–361.CrossRefGoogle Scholar
Powell, W., Caligari, P. D. S., McNicol, J. W. & Jinks, J. L. (1985). The use of doubled haploids in barley breeding. 3. An assessment of multivariate cross prediction methods. Heredity 55, 249–254.CrossRefGoogle Scholar
Powell, W., Thomas, W. T. B., Caligari, P. D. S. & Jinks, J. L. (1985). The effects of major genes on quantitatively varying characters in barley. 1. The GPert locus. Heredity 54, 343–348.CrossRefGoogle Scholar
Tapsell, C. R. & Thomas, W. T. B. (1986). Comparison of the predicted and observed potential of four spring barley crosses. Journal of Agricultural Science, Cambridge 107, 55–60.Google Scholar
Thomas, W. T. B. & Tapsell, C. R. (1983). Cross prediction studies on spring barley. 1. Estimation of the genetical and environmental control of morphological and maturity characters. Theoretical and Applied Genetics 64, 345–352.CrossRefGoogle Scholar
Thomas, W. T. B. & Tapsell, C. R. (1985). Cross prediction studies on spring barley. 3. Correlations between characters. Theoretical and Applied Genetics 71, 550–555.CrossRefGoogle ScholarPubMed