W. A. Roach

• Experiments on the control of wart disease of potatoes by soil treatment with particular reference to the use of sulphur
• Studies in the varietal immunity of potatoes to wart disease (Synchytrium endobioticum Schilb., Perc.)
• Toxicity of certain sulphur compounds to Synchytrium endobioticum, the fungus causing wart disease of potatoes