Tonus z.p.

Professional Vineyard Protection: The Power of "Tonus W.P."

Managing downy mildew (mildew) in vineyards remains a top priority for growers aiming for high-quality yields. "Tonus W.P.," manufactured by Sunrise Chemicals Co. Ltd. (Shanghai, China), provides a robust solution by utilizing a multi-component formula. By combining Cymoxanil, Oxadixyl, and Copper Oxychloride, this fungicide prevents the development of pathogen resistance, which is a common challenge with single-active-ingredient treatments.

Mechanism and Efficacy

The product stands out due to its dual action: it functions both as a contact and a systemic fungicide. This allows for a two-fold defense strategy:

• Systemic components (Cymoxanil and Oxadixyl) penetrate the plant tissue to stop mycelial growth from within and provide lasting internal protection.
• Contact component (Copper Oxychloride) acts as a surface barrier, preventing fungal spores from germinating upon contact with the leaf surface.

This formulation makes "Tonus W.P." an ideal choice for both preventative programs and curative interventions during the early stages of disease pressure. Its form as a wettable powder ensures excellent suspension stability when preparing the spray mix.

Application and Guidelines

To maximize the efficacy of this fungicide while maintaining safety standards, agricultural professionals should follow these guidelines:

• Dosage: Apply at a rate of 1.5–2 kg per hectare.
• Application Limit: No more than 3 treatments per growing season.
• Pre-harvest Interval: A 30-day waiting period is mandatory before harvest.

Represented by Agrohiminvest, "Tonus W.P." is well-regarded in the market as a reliable tool for intensive viticulture. With its 3rd hazard class classification, it requires standard protective measures, yet its effectiveness against vine pathogens makes it a cornerstone of anti-resistance management programs for vineyards.