#$%^&*AU2015200772A120150903.pdf#####ASTRACT 2 3 A method of treating a plant growth medium comprising applying 4 a glyphosate pesticide to the plant growth medium. The treatment 5 may prevent, inhibit, reduce and/or treat clubroot disease, caused 6 by infection with Plasmodiophora brassicae, in one or more plants 7 grown in the plant growth medium. Further provided is use of a 8 glyphosate pesticide to treat a plant growth medium in order to 9 prevent or treat clubroot disease in one or more plants grown in o the plant growth medium. Additionally provided is a glyphosate 1 pesticide for use to treat a plant growth medium in order to 2 prevent or treat clubroot disease in one or more plants grown in 3 the plant growth medium. Also provided is a method of treating a 4 piece of agricultural equipment with a glyphosate pesticide. 1