Dogwood Tree Leaf Disease

The infection is manifested in the form of leaf spots and stem cankers.

Dogwood tree leaf disease. The shoots are also killed in this disease. Symptoms are small inch tan spots with reddish purple borders. Many varieties of plants can get this fungal infection which cause leaves to get a white coating and eventually suffocate and die. Treating dogwood leaf diseases.

This disease is caused by the fungus elsinoe corni one of the most common leaf diseases of flowering dogwoods. Dogwood anthracnose is the most common disease that affects dogwood trees. This disease can spread up the leaf stem and infect the twigs bark and trunk eventually killing the tree if left untreated. The flower bracts are usually attacked first and then the leaves young shoots and fruit of dogwoods primarily during wet spring weather.

Fungi are the main causes of dogwood tree diseases. One of the very common diseases of dogwood trees is the dogwood anthracnose which is caused by the fungus discula sp. Treat with copper based fungicide and by pruning and discarding infected leaves and branches. This may further kill the entire leaf.

Diseases of dogwood are the usual suspects when leaves are falling prematurely and include. Caused by the fungus discula destructiva anthracnose thrives in moist shade. When infection is severe these spots can cause flower bracts and leaves to become wrinkled and distorted. On affected trees leaves remain on the tree throughout winter.

Trunk sprouts occur in the advanced stage. One of the most recurring causes of leaf drop is powdery mildew. Leaves are smaller than normal light green and exhibit premature fall leaf coloration. Twigs and large branches die as a canker forms at the base of the tree.

Warm dry weather will curtail the disease. This disease occurs only if weather conditions are very wet and humid in the spring. The canker slowly girdles the tree. As further infections occur.

It spreads from leaves to the twigs down to the main stem forming cankers on it. Wear gloves and safety goggles when. If a tree has a lot of powdery mildew the overall health of the tree is affected due to minimized harvest. Fungal diseases can ruin the look of the tree and in the worse cases the tree will not survive.

During this time the tree flowers and fruits profusely but eventually dies.