This important work has included tolerance and resistance trials, investigations of pathogen sporulation and infection strategies, and of the ecology and pathology of ash dieback disease.
Mae'r gwaith pwysig hwn wedi cynnwys treialon goddefiant ac ymwrthedd, ymchwiliadau i strategaethau sborynnu pathogenau a heintiau, ac ecoleg a phatholeg clefyd coed ynn.