Which substance is commonly deposited in heartwood, giving it a dark color?
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Correct answer: Tannins and resins
Heartwood accumulates tannins, resins, oils, and gums. These substances impart a darker color and increase durability.
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More Wood Anatomy: Sapwood and Heartwood questions
- Which statement regarding sapwood is correct?
- Which part of wood provides greater resistance to insect attack?
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- Which of the following best explains why heartwood does not conduct water?
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- Which tissue is directly responsible for converting sapwood into heartwood?