ForesTree - A Guide to Tree Health

Pest and Disease Information

Bigcone Douglas-Fir
  • Pseudotsuga macrocarpa - Susceptible to Oak Root Rot. Additional and expanded information listed below.

  • For further tree information:
       SelecTree (1198) | Silvics of North America
BIGCONE DOUGLAS-FIR
1 Record found
Disease or Pest NameDescription of Disease or Pest

Oak root fungus
Armillaria mellea

Armillaria_melleaArmillaria cases reduced terminal growth and general decline in affected plants, As the Armillaria advances dieback of twigs and branches (most apparent in hardwoods) can occur. Crown symptoms include chl...