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Nate Albright • January 7, 2025

Common Tree Diseases in Wausau, Wisconsin: How to Spot Them and What to Do

Protect Your Trees and Landscape with Expert Tips from Albright Enterprises

Trees are a vital part of the Wausau, Wisconsin landscape, offering beauty, shade, and environmental benefits. However, they are susceptible to a range of diseases that can weaken or even kill them if not addressed. At Albright Enterprises, we’re here to help you identify common tree diseases, understand their signs, and take action to protect your yard.

Common Tree Diseases in Wausau, Wisconsin

Here are some of the most prevalent tree diseases in the Wausau area and their key characteristics:

1. Oak Wilt

Cause: A fungal disease spread by beetles and root grafts between trees.

Symptoms: Leaves wilting, browning, and dropping prematurely; dark streaks under the bark.

Prevention: Avoid pruning oak trees during the growing season (April to July) when beetles are active.

Oak Wilt Symptoms

2. Dutch Elm Disease

Cause: A fungus spread by elm bark beetles.

Symptoms: Yellowing and wilting leaves, progressing to branch dieback; brown streaks visible in the wood.

Prevention: Regular pruning and removal of infected wood; planting resistant elm varieties.

Dutch Elm Disease Symptoms

3. Apple Scab

Cause: A fungal disease common in crabapples and apple trees.

Symptoms: Olive-green to black spots on leaves, leading to premature leaf drop; blemishes on fruit.

Prevention: Rake and remove fallen leaves to minimize fungal spores; apply fungicides as needed.

Apple Scab Information

4. Anthracnose

Cause: A group of fungal diseases affecting a variety of trees, including maples and oaks.

Symptoms: Dark, sunken spots on leaves, sometimes causing them to curl or drop.

Prevention: Ensure good air circulation through proper pruning and cleanup of infected debris.

Anthracnose Symptoms

5. Emerald Ash Borer Infestation (EAB)

Cause: While not a disease, this invasive pest leads to severe tree decline and is common in ash trees.

Symptoms: Thinning crowns, D-shaped exit holes in bark, and serpentine galleries under the bark.

Prevention: Use preventative insecticides and avoid transporting infected wood.

Emerald Ash Borer Information

How to Spot Tree Diseases

Monitoring your trees regularly is the best way to catch diseases early. Here’s what to look for:

Leaf Changes: Discoloration, spots, curling, or premature dropping.

Bark and Trunk Issues: Cracks, cankers, oozing sap, or visible fungal growth.

Branch and Crown Dieback: Dead or thinning branches, especially near the top of the tree.

Growth Abnormalities: Stunted growth, unusual lumps, or deformities.

What to Do If You Spot a Problem

If you suspect your tree is suffering from a disease, it’s crucial to act quickly:

1. Consult a Professional

At Albright Enterprises, we offer expert tree assessments to identify the problem and recommend the best course of action.

2. Prune and Remove Infected Areas

Removing diseased branches or trees can help prevent the spread to healthy ones. Professional pruning ensures the job is done safely and effectively.

3. Apply Treatments

Depending on the disease, treatments may include fungicides, insecticides, or nutrient supplements. Our team can advise on the best options for your situation.

4. Practice Preventative Care

Regular tree maintenance, including proper watering, mulching, and pruning, strengthens your trees’ natural defenses against disease.

Why Choose Albright Enterprises?

With years of experience in tree care, Albright Enterprises is your trusted partner in Wausau, Wisconsin. Whether it’s diagnosing tree diseases, safe removal, or preventative care, we’re committed to keeping your trees healthy and your landscape beautiful.

Don’t Wait—Act Today!

Tree diseases can progress quickly, so early detection and treatment are key. Contact Albright Enterprises to schedule an inspection or learn more about how we can help protect your trees from common diseases in Wausau, Wisconsin. Together, we can ensure your yard remains a thriving, beautiful space for years to come!

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