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The inheritance of resistance to eyespot (Cercosporella herpotrichoides) in wheat

Published online by Cambridge University Press:  14 April 2009

C. N. Law ,
P. R. Scott ,
A. J. Worland  and
T. W. Hollins
C. N. Law
Affiliation:
Plant Breeding Institute, Cambridge, England
P. R. Scott
Affiliation:
Plant Breeding Institute, Cambridge, England
A. J. Worland
Affiliation:
Plant Breeding Institute, Cambridge, England
T. W. Hollins
Affiliation:
Plant Breeding Institute, Cambridge, England
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Summary

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The genetic control of resistance to the fungus, Cercosporella herpotrichoides, causing the eyespot disease of wheat was studied using the Chinese Spring (Cappelle-Desprez) chromosome substitution lines and F2 monosomic families of hybrids between Cappelle-Desprez and Mara. Chromosome 7A of Cappelle-Desprez was found to increase resistance to eyespot in both types of test. Chromosomes 2B and 5D of Cappelle-Desprez gave increased resistance compared to their homologues in Mara on an F2 background. When substituted into Chinese Spring neither of these chromosomes appeared to increase resistance. Chromosome 1A of Cappelle-Desprez in a Chinese Spring background increased the level of infection. Dominance was towards resistance and the presence of between-chromosome interaction could be deduced.

Type
Research Article
Information
Genetics Research , Volume 26 , Issue 1 , August 1975 , pp. 73 - 79
Copyright
Copyright © Cambridge University Press 1975

References

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