What Is Copper Fungicide – How To Use Copper Fungicide In Gardens

By December 3, 2017Articles

What Is Copper Fungicide – How To Use Copper Fungicide In Gardens

By Mary H. Dyer, Master Naturalist and Master Gardener Fungal diseases can be a real problem for gardeners, especially when weather is warmer and wetter than usual. Copper fungicides are often the first line of defense, especially for gardeners who prefer to avoid chemical fungicides. Using copper fungicides is confusing, but knowing exactly when to use copper fungicide is the key to success. However, fungal diseases are difficult to control and results aren’t guaranteed. Let’s explore these issues. What is Copper Fungicide? Copper is a metal that, in dissolved form, penetrates plant tissues and helps control fungal diseases such as: Powdery mildew Downy mildew Septoria leaf spot Anthracnose Black spot Fire blight That said, its effectiveness is limited against late blight of potatoes and tomatoes. Because copper is toxic, it can also cause serious damage by killing plant tissues. If you are considering using copper fungicide, be sure to read

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