TreeIssues

Mountain Butter Bolete

MODERATE

Butyriboletus abieticola

Overview

Mountain Butter Bolete observed in the wild. Research-grade iNaturalist observation.

Type
Fungus
Severity
MODERATE
Source
iNaturalist

Symptoms

Geographic Spread

Treatments

Fungicide Application

Chemical TreatmentEffectiveness: HIGH

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

Cultural PracticeEffectiveness: MODERATE

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

Cultural PracticeEffectiveness: MODERATE

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 Mountain Butter Bolete. Always read and follow label directions, and confirm a diagnosis before treating.

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Frequently Asked Questions

What is Mountain Butter Bolete?

Mountain Butter Bolete observed in the wild. Research-grade iNaturalist observation.

What are the symptoms of Mountain Butter Bolete?

Where is Mountain Butter Bolete currently found?

Mountain Butter Bolete is currently active in Idaho, California, Oregon. It has been reported in 3 total states across the United States.

How do I treat Mountain Butter Bolete?

Treatment options for Mountain Butter Bolete 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.

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