Overview
These keep showing up on the large birch log - third or perhaps fourth year. I made an adhesive bandage out of a strip of the pore layer and cut up two of the fruit bodies to use to make mushroom paper. Using my hand constantly, the bandage has remained in place for a couple of hours.
- Type
- Fungus
- Severity
- MODERATE
- Source
- iNaturalist
Symptoms
Geographic Spread
Treatments
Fungicide Application
Apply systemic or contact fungicide at the first sign of infection. Repeat applications may be needed during wet weather. Follow label rates and timing.
Sanitation and Pruning
Remove and destroy all infected leaves, branches, and fallen debris. Improve air circulation by thinning dense canopy growth. Sterilize pruning tools.
Soil and Moisture Management
Ensure proper drainage, avoid overwatering, and apply mulch to reduce soil splash. Many fungal pathogens thrive in persistently wet conditions.
Recommended Products & Tools
Helpful supplies for managing birch polypore. Always read and follow label directions, and confirm a diagnosis before treating.
Broad-spectrum protectant for many fungal leaf and bark diseases.
Preventive spray for needle cast, leaf spots, and blights.
Sharp, clean cuts to remove affected wood — a tree-care essential.
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Frequently Asked Questions
What is birch polypore?
These keep showing up on the large birch log - third or perhaps fourth year. I made an adhesive bandage out of a strip of the pore layer and cut up two of the fruit bodies to use to make mushroom paper. Using my hand constantly, the bandage has remained in place for a couple of hours.
What are the symptoms of birch polypore?
Where is birch polypore currently found?
birch polypore is currently active in Michigan, Alaska, Minnesota, New York, Massachusetts, Pennsylvania, Maine, New Jersey, New Hampshire, Connecticut. It has been reported in 10 total states across the United States.
How do I treat birch polypore?
Treatment options for birch polypore include: Fungicide Application, Sanitation and Pruning, Soil and Moisture Management. Treatment approaches may include chemical, biological, cultural, and mechanical methods depending on the severity and context.