Detecting Hidden Decay Within Trees

Decay fungi break down cellulose and lignin, weakening structure.

Scientific Notes:

• White rot vs. brown rot affects strength differently.
  
  

• Resistograph and sonic tomography visualize internal decay.
  
  

• Fruiting bodies indicate advanced fungal colonization.
  
  

Key Bullet Points:

• Clues: Mushrooms, cavities, bark changes.
  
  

• Tools: Mallet sounding, drilling, imaging.
  
  

Key Insight: Decay ≠ automatic removal; evaluate load-bearing wood.