Wheat growers in South Australia are being urged to monitor the effectiveness of fungicides this season after the common wheat disease, Septoria tritici blotch (STB), was discovered to be resistant to Group 11 fungicides (strobilurins). Researchers from the Centre for Crop and Disease Management (CCDM), a co-investment by the Grains Research and Development Corporation (GRDC) and Curtin University, made the discovery in Millicent in South Australia, as part of their annual monitori...