The fungicide rotation fact sheet provides advice on how to reduce the risk of fungicide resistance in crop diseases. The advice covers managing, mixing and rotating fungicides.

Key points

• Fungicide resistance is caused by repeated use of the same fungicide group.
• Rotation of fungicide Modes of Action (MoA) or Groups creates a dynamic environment where resistant individuals are unable to flourish.
• Rotations should avoid repeating use of any single fungicide group, including across seed/in-furrow and subsequent foliar applications.
• Fungicide rotations should be planned across seasons and crop rotations, to avoid selecting resistant pathogens on stubble.
• Use a year-round integrated disease management strategy to lower disease pressure and reduce the need for fungicide applications – for simpler rotation planning, cost savings, and long-term protection of fungicide efficacy.
• Suggested fungicide rotation sequences are available in Fungicide resistance management in Australian grain crops.

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