When you notice discoloration on tree leaves, you might rightfully have some concerns. It can indicate contagious diseases that might kill the host or spread to surrounding specimens.
As the leading tree service, Screaming Arbor Tree Care knows what to do about the black spots on your tree leaves. We share our industry insights below.
What Causes Those Ugly Black Spots?
Black spots on tree leaves typically indicate a disease or infestation. In Rockford, Michigan, they can be a symptom of:
- Tar spot: This fungus causes raised, dark lesions to develop on tree leaves. Many trees can survive and even thrive with this disease, but more aggressive cases can kill weakened specimens.
- Tubakia leaf spot: Tubakia results from a fungal disease that causes leaf blemishes that range from deep brown to red. It primarily attacks oak species, though it can also infect other specimens.
- Pests: Some parasitic bugs resemble black leaf blemishes. For example, spider mites, scales, and some insect eggs appear dark and can thrive on leaves.
If you want to know what to do about the black spots on tree leaves, you must find out what causes them before pursuing treatment. An arborist can quickly diagnose the problem.
What To Do About the Black Spots on Your Tree Leaves
Treatment depends on the cause of the black spots. Fungal infections need a polar opposite approach from pest infestations under many circumstances. If your arborist suspects a fungal infection, you can:
- Schedule pruning services: Some fungal diseases occur because too many branches trap excessive moisture. Thinning the crown can encourage airflow.
- Eliminate dead or living infected leaves and tissues: Rake leaves around the tree’s base as often as possible. Then, dispose of them in an area away from the tree to keep spores from spreading.
- Spray the tree with antifungal solutions: Your arborist might recommend an antifungal solution to kill any remaining spores. Regularly spray the trunk and branches you can reach.
If you have a pest problem, you might need a pesticide to combat the problem. Different pest species might respond to varying protocols, depending on what attracted them to the tree in the first place.
Preventing Future Illnesses
How can you keep other illnesses from gaining a foothold on your property? Arborists might suggest:
- Routine inspections: Check your trees for signs of fungi, bacteria, or pest infestations monthly. Schedule annual inspections with your local arborist.
- Regular tree services: Consistent pruning and trimming can enhance tree health and prevent disease proliferation.
- Picking up where nature leaves off: Climate shifts can increase tree mortality by changing environmental norms. Don’t hesitate to water and fertilize during unseasonably dry or hot months.
Let Screaming Timber Arbor Care in Rockford, Michigan, Diagnose and Treat Your Trees
The black spots on tree leaves may not be deadly, but they can quickly spread to other trees and cause health issues. Screaming Timber Arbor Care in Rockford, MI can diagnose the cause for these spots and why the top half of a tree has no leaves. Request a free estimate today by calling (616) 820-5997.