3a4a335d-8dd4-47a7-9382-f5ddff15b83c
Whole genome sequence read data from British ash exposed to ADB infection in natural woodland
We set out to test whether natural selection is acting to shift allele frequencies in a multi-generational ash population in an ancient woodland in southeast England that has been exposed to over six years of Ash Dieback caused by Hymenoscyphus fraxineus infection. We hyposthise that (1) Frequencies of alleles at some loci will consistently co-vary with level of ash dieback damage ; (2) Many of these loci will be those that were found in the previous Stocks et al (2020) study; (3) Smaller, younger trees will contain a biased subset of the variation present in the adult trees, due to more rapid selection among them by Ash Dieback. Thus, we hoped to detect the action of natural selection in real time in a natural multi-generational population.
We set out to test whether natural selection is acting to shift allele frequencies in a multi-generational ash population in an ancient woodland in southeast England that has been exposed to over six years of Ash Dieback caused by Hymenoscyphus fraxineus infection. We hyposthise that (1) Frequencies of alleles at some loci will consistently co-vary with level of ash dieback damage ; (2) Many of these loci will be those that were found in the previous Stocks et al (2020) study; (3) Smaller, younger trees will contain a biased subset of the variation present in the adult trees, due to more rapid selection among them by Ash Dieback. Thus, we hoped to detect the action of natural selection in real time in a natural multi-generational population.