Varion 520

Advanced Tri-Component Defense for Cereals

Vareon 520 by Corteva is not merely a fungicide; it is a strategic tool for high-yield cereal production. The main challenge in wheat and barley cultivation is the frequent simultaneous occurrence of multiple pathogens. By utilizing this solution, farmers can control a broad spectrum of fungal infections in a single pass, blending the strengths of both contact and systemic protection.

Synergy of Action

The core of Vareon 520's success lies in its carefully balanced active ingredients:

• Proquinazid provides a robust 'stop-effect' and strong preventive action, inhibiting powdery mildew spores and establishing a protective barrier.
• Prochloraz penetrates plant tissues to disinfect and prevent the spread of leaf spots.
• Tebuconazole acts as the systemic component, ensuring rapid translocation and long-lasting control of rusts and septoria.

This formulation allows for the suppression of pathogen strains that have developed resistance to single-active-ingredient products. It serves as an ideal solution for operations where maintaining yield potential during critical early growth stages is paramount.

Application Insights

Supplied as a suspension concentrate, Vareon 520 ensures a stable working solution. The recommended application rate ranges from 0.5 to 1.0 L/ha, depending on disease pressure and risk assessment. With a maximum of two treatments per season, it provides a comprehensive defense cycle for winter and spring wheat, as well as winter barley, against diseases like helminthosporiosis, net blotch, and leaf rust.

Key Benefits: High speed of action, pronounced 'stop-effect,' and broad-spectrum preventive activity. Considerations: Classified as hazard class 2; strict adherence to application protocols and timing is essential for maximizing performance and safety.