Armillaria root rot

Root Diseases Caused By Basidiomycetes

Armillaria Root Rot

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Root system of young pine with root rot.

Armillaria

Mycelial fans under the bark of infected pine.

rhizomorphs

Subterranean rhizomorphs produced by Armillaria.

rhizomorphs

Subcortical rhizomorphs produced by Armillaria.

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Fruiting bodies of Armillaria ostoyae.

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Culture of Armillaria showing rhizomorphs.

bioluminescence

Cultures in the laboratory showing bioluminescence.

Armillaria

For people not familiar with Armillaria bioluminescence, the glowing of wood in the forest at night can be a frightening experience