Common Signs of Tree Disease and How to Address Them

A wilted or dead twig or branch can indicate a number of issues. Holes in leaves or a bark that looks like white talcum powder can indicate an insect infestation.

Symptoms include slowed growth, yellowing and wilting leaves, drooping and twig or needle drop; limb and crown dieback; stunted foliage; and premature fall coloration and fruit formation.

Leaves

Tallahassee, FL Tree Service | Homeowners should remain vigilant in observing their trees for signs of diseases, with the first visible indicators often manifesting as spots or blemishes on the leaves. These leaf spots, commonly attributed to fungi like Septoria, Phyllosticta, or Melampsora rusts, typically emerge in cool and wet spring conditions. While leaf spots are prevalent, they may not necessarily pose a serious threat.

Recognizing fungal disease symptoms is crucial, as they can include wilting or dying foliage, browning along leaf margins and between veins, and the emergence of fruity or smelly exudation from wounds. Some diseases result in the formation of galls, resembling bumps on stems, trunks, or twigs. Notable examples include powdery mildew affecting evergreens, shot hole fungus in fruit and ornamental trees, anthracnose in sycamores, ash, maple, dogwood, and crabapple, as well as oak leaf blister.

An alarming sign of a struggling, diseased tree is the dropping of large branches, indicating compromised anchoring roots and trunk strength. In such cases, the tree may face the risk of eventual death. Homeowners in Tallahassee, FL, should prioritize regular tree inspections …