The assessment of the contribution of Garrett Hugh FitzGerald to the search for an antidote to potato blight, as put forward by Mr T. P. O’Neill in his article on the scientific investigation of the potato failure of 1845—6, needs to be revised, if only to do justice to Robert Kane.
FitzGerald wrote to a local newspaper on 9 March 1846, suggesting, as a result of experiments he had made in search of a cure for potato blight, that seed potatoes should be steeped before planting in a solution of bluestone (copper sulphate). In February and March of the same year he wrote two letters on the subject to the chief secretary for Ireland. These letters were forwarded for consideration to the relief commission, of which Robert Kane was the scientific member.