Genetic Interactions Between Erysiphe fischeri (Blumer) and Members of the Genus Senecio

Campbell, Fraser Simpson (1990) Genetic Interactions Between Erysiphe fischeri (Blumer) and Members of the Genus Senecio. PhD thesis, University of Glasgow.

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Abstract

Twelve single spore isolates of E. fischeri were made and each was shown to possess a different virulence phenotype when inoculated onto 47 lines of S. vulgaris. Three crosses were made between resistant and susceptible lines of S. vulgaris, and the resistance phenotypes of F1 and F2 plants recorded, using available samples from the 12 isolates of the pathogen. Resistance was shown to be under the control of one or two major genes, with resistance either dominant or recessive. In some of the cases of recessive resistance there was evidence of a separate locus containing a gene that inhibited the expression of resistance genes. In one cross, seven resistance genes were shown to be linked.

Item Type: Thesis (PhD)
Qualification Level: Doctoral
Keywords: Genetics, Botany
Date of Award: 1990
Depositing User: Enlighten Team
Unique ID: glathesis:1990-76937
Copyright: Copyright of this thesis is held by the author.
Date Deposited: 14 Jan 2020 09:27
Last Modified: 14 Jan 2020 09:27
URI: http://theses.gla.ac.uk/id/eprint/76937

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