#5 - TRAQ Part 2: Decay Questions and Correct Answers/ Latest Update / Already Graded

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#5 - TRAQ Part 2: Decay Questions and
Correct Answers/ Latest Update / Already
Graded
Barrier zone

Ans: a chemical and anatomical barrier formed by the cambium
present at the time of wounding in response to wounding.
Inhibits the spread of decay into xylem tissue formed after the
time of wounding. Wall 4 is the CODIT model (contrast with
reaction zone).


Basal swelling

Ans: increased wood growth in the area near or where the
trunk and roots come together


Bracket

Ans: the fruiting body of a decay fungus (see conk)


Brown rot

Ans: fungal wood rot characterized by the breakdown of
cellulose (contrast with soft rot and white rot)



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Butt rot

Ans: decay of the lower trunk, trunk flare, or buttress roots


Cavity

Ans: open or closed hollow within a tree stem, branch, or root,
usually associated with decay


CODIT

Ans: Compartmentalization of Decay in Trees (acronym)


Column of decay

Ans: wood decay inside a tree that extends longitudinally up
and down a stem or through a branch


Compartmentalization

Ans: natural defense process in trees by which chemical and
physical boundaries are created that act to limit the spread of
disease and decay organisms (see CODIT)


conk


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