Champion

Technical Profile of Champion Fungicide (Nufarm)

The Champion fungicide by Nufarm is a robust contact protective agent based on copper hydroxide. Unlike common sulfate-based products, the hydroxide formulation ensures a controlled and stable release of Cu2+ ions, which is vital for establishing a long-lasting protective layer on the plant surface.

Mechanism of Action and Formulation

The active ingredient, copper hydroxide, functions by inhibiting the enzymatic activity of pathogens. Copper ions penetrate fungal spores and bacteria, denaturing proteins and blocking cellular respiration. As a wettable powder, Champion provides excellent adhesion, ensuring that the protective film remains intact on leaves and fruits even under challenging weather conditions.

• Disease Spectrum: Highly effective in controlling anthracnose, downy mildew (mildew), scab, phytophthora, brown spot, and various bacterial diseases.
• Application Parameters: The dosage ranges from 2.0 to 3.0 L/ha, allowing for precise adjustment depending on the crop stage and infection pressure.
• Regimen: Up to 4 treatments per season are permitted. The pre-harvest interval (PHI) is 30 days.

Practical Insights for Growers

Champion is particularly effective during high-humidity periods when pathogens, especially bacteria, are most aggressive. Produced under Nufarm’s stringent Austrian quality standards, the formulation is highly purified, ensuring consistent flow through spray nozzles and preventing clogging. While classified as a Category 3 substance, strict adherence to the application instructions ensures high efficacy and crop safety across various species, including pome fruits, grapes, and tomatoes.