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Project aims

  1. Investigate how much variability in susceptibility to glyphosate there is in UK populations of Alopecurus myosuroides and Anisantha sterilis
  2. Relate glyphosate sensitivity of A. myosuroides populations to past glyphosate use history
  3. Investigate experimental evolution of glyphosate resistance

a. Test the hypothesis that minor gene variation for glyphosate susceptibility (standing genetic variation) can be enriched under selection, resulting in phenotypes that are resistant to commercial application rates

b. Test the hypothesis that populations and species with the highest degree of pre-selective variation in glyphosate susceptibility are the most prone to resistance evolution

4. Investigate possible fitness costs and trade offs related to glyphosate resistance or increased glyphosate tolerance

5. Test for variation in glyphosate sensitivity in global ecotypes of Arabidopsis thaliana and MAGIC lines