Tree Diseases That You Should Look Out For

Like all other living things, trees too are vulnerable to diseases These diseases spread through tiny spores, which are not even visible to the naked eye. Due to this, you might not even realize there is something wrong with a tree until it is too late.

Prompt action might allow you to save the tree however, before taking any action you will have to diagnose the problem. Take a look at some of the tree diseases you might want to look out for:


Anthracnose is a tree disease caused by tiny microscopic fungi that target leaves, fruits, and twigs. This disease is a lot more common in the North American region.

The symptoms of this disease depend on the host and pathogens. For example, Sycamore Anthracnose causes premature defoliation of leaves. You will also notice blotches on the leaves.

If the fungi manage to invade the twigs and branches, it will result in the tree dying.

Oak Wilt


There are two ways in which this disease can spread in Oak trees: insects or root graft infections. A sap-feeding beetle spreads diseases from infected trees to wounds in healthier trees.

The symptoms of the disease vary. In case of red oaks, the leaves turn brown and start losing their color. The disease moves from top to bottom.

On the other hand, in case of white oaks, the leaves start losing color from their tips. They appear dry and the branches die over time.

In live oaks, the veins of leafs start turning yellow. This condition is known as Interveinal Chlorosis.

Powdery Mildew

Powdery Mildew

Fungal pathogens are the causes of this problem. They grow on the surface of the plant and produce spores known as Mycelia.

The fungus targets young tissue, which results in stunted growth. As the infection spreads, the leaves dry out and turn to brown. They start falling as well and inhibit the production of flowers.

Fire Blight

Fire Blight is a bacterial infection, which causes twigs to die. You know the tree is infected with this disease if its leaves and twigs have a burnt appearance. It is a deadly disease that can do irreversible damage to branches and shrubs.

Majority of the aforementioned diseases are fatal. If the tree in your yard gets infected with this disease, you might have no choice but to remove it altogether. Make sure you seek assistance from professionals like Trees Inc. of Denton.

We offer tree trimming and tree removal services in Lewisville. Contact us at 940-230-2782.

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