Stem Decays

Question 1

Most often found on dead trees but can also attack the heartwood of living trees by gaining entry through wounds, insect holes and dwarf mistletoe infections

Hits mature species of almost all conifers in Kootenays

Red/brown band on fruiting body (conk)

Answer 1

Red Belt Conk

Fomitopsis pinicola

Question 2

Often gains entry through roots and butts of trees, using fire scars, armillaria lesions and other wounds as an entry point

Dark brown conks that have a funnel-like appearance when found on the ground next to the tree (most common) and a shelf-like appearance when growing on the tree

Most common on Fd, Hw and Py but can be found on other conifers

Looks like cow/dog shit

Answer 2

Schweinitzii Root/Butt Rot

Phaeolus schweinitzii

Question 3

“Badass” - Saprophyte (feeds on living tissue)

Does not require a wound for entry

Often enters healthy trees through branch stubs but mechanical damage also provides entry point

Infections occur in living brances after 35-45 years but normally don’t become established in trunk for another 100

Conks have a distinct toothed lower surface

Distinctive toothed lower surface, interior is brick red

Most common on Hw and true firs in the interior

Fd, Cw and Se are also susceptible

Answer 3

Indian Paint Fungus

Echinodontium tinctorium

Question 4

Hardwood stem decay

Very “corky” feel

Answer 4

Fomes fomentarius