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Annosus Root Rot PDF print email
Written by Nicole Ritson   
Tuesday, 13 April 2010 20:07
Hosts:

 

  • Western Hemlock
  • White Fir
  • Pines
  • True Firs

Infestation Characteristics:

What does it cause?

  • Growth loss
  • Root and butt rot
  • Uprooting
  • Death

What does it look like?

  • Decreased terminal growth
  • Needle yellowing
  • Pitch soaking of root wood
  • Stain or white stringy root rots
  • Small black specks

Control:

  • Removal and logging of infected trees
  • Rotations in Western Hemlocks and True Firs every 40-120 Years
  • Use Borax to prevent infection
Last Updated on Tuesday, 13 April 2010 20:17