Missouri Department of Conservation

Plant Diseases

Plant Diseases

Protect your forests, wildlife habitat and crops. Learn to identify and control or report common plant diseases.

Forest Health Alert: White Oaks Turning Brown in Late Spring

White oak trees sometimes turn brown in late spring. While shriveled, bumpy brown leaves look alarming, they indicate nothing more harmful than the jumping gall, which rarely causes significant damage. Download this forest health alert to learn more. More

Sycamore Anthracnose

Sycamores in your yard looking a little sick? Sycamore trees in locations around the state are being affected by sycamore anthracnose.   More

Thousand Cankers Disease

Because thousand cankers disease (TCD) kills black walnut trees, it poses a serious threat to Missouri’s important black walnut industry. You can help keep TCD out of Missouri by not moving firewood and other untreated walnut wood products, and by identifying and reporting early symptoms and signs. More
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