Copper rosinates are broad-spectrum bactericidal pesticides that effectively prevent and control both fungal and bacterial diseases. Farmers often wonder about the proper way to use copper rosinates, so let's take a closer look at how they should be applied.
As a modern-engineered formulation, copper rosinates have strong systemic activity and good penetration. When using them, it’s important to avoid mixing with alkaline pesticides or fertilizers. Additionally, since the product is highly sensitive to copper ions, it should be used with caution on crops that already contain high levels of copper. Continuous use of the same product may lead to resistance, so it's essential to rotate or alternate treatments when applying it across different crops.
For example, if you're treating early-stage downy mildew in cucumbers, make sure to spray the solution evenly. The application frequency can vary depending on the severity of the disease. According to the pesticide manufacturer, it's generally recommended to apply the product every 7 to 10 days, with 2 to 3 applications being common. However, keep in mind that the compound spreads quickly, so avoid spraying on windy days to prevent drift and potential damage.
According to the China Pesticide Network, copper rosinates are widely used in cash crops and fruit trees. In southern citrus-growing regions, they are commonly used for managing diseases such as citrus canker, scab, and anthracnose. Their effectiveness against bacterial spot on tomatoes has also been well-documented. With proper application and management, copper rosinates can be a valuable tool in an integrated pest management strategy. Always follow the label instructions and consider local conditions before use.
Hubei Chengze Diamod Products Co., Ltd. , https://www.ryomaltools.com