Valeo 500SC® is a protectant fungicide, with activity against a range of diseases. Valeo has a low risk of resistance and has no cross-resistance to most commonly used fungicide chemical groups. It is effective against Speckled leaf blotch (Septoria tritici) in wheat and Scald in barley. It has multi-site activity and is a useful anti-resistance fungicide for use in wheat and barley.