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Early or preventative foliar sprays, applied from GS32 onwards on moderately susceptible varieties, have provided the best returns in northern trials over the last three years High grain prices and low fungicide costs mean breakeven yield benefits required are often only 1-2% Application can be the major cost of treatment Consider timing when stripe rust in area but not in crop or in tank mixture with a late herbicide, near GS32, to eliminate extra application cost.. Fungicide recommendations for stripe rust management have been based on disease threshold levels on specific leaves... Recent northern evaluation by QDPI&F, NSW DPI and NGA has confirmed that the most effective management of stripe rust will be achieved by spraying at or just prior to disease becoming evident in a crop...