Cherry Leaf Spot

We are nearing the time to control the fungus disease cherry leaf spot. This disease causes small, pinpoint dark lesions on the leaves. The black spots often fall out, resulting in a shot-hole appearance. Numerous lesions turn light green, then yellow, and eventually the infected leaf will drop. Removing diseased leaves at the end of the season can help, but a fungicide application immediately after harvest is also helpful. Try using chlorothalonil (Dacthal, Fertilome Broad-Spectrum Fungicide, Ortho Garden Disease Control, or others), captan (found in some fruit tree sprays) or myclobutanil (Immunox). Reapply two weeks after the first application.

Articles reprinted from the K-State Research & Extension Horticulture Newsletter


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