Journal of the Department of Agriculture, Western Australia, Series 4


Terry Piper


One of the most successful examples of breeding for herbicide resistance is the development of triazine resistant canola varieties. Now we are trying to select for triazine tolerance in lupins, Agriculture Western Australia's breeding and testing program is now carried out with a basal treatment of simazine. Terry Piper outlines the chemistry and action of these widely used herbicides and points to reason why they can sometimes fail.