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CEUs are available for this product.

Heartwood, Part I: Biology, Formation, Identification, and Importance CEU Quiz

By Kevin T. Smith and Christopher J. Luley
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.

This article will help readers understand the differences between sapwood, heartwood, and would-initiated discoloration and how each is formed. Additionally, this article will review the relative decay resistance of selected North American trees. 1 CEU (A, U, M, T, L, Bs)

CEUs for this quiz may be earned only once during the life of your certification.


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