When an Arborist Prunes a Limb Off a Valuable Tree

question 80

Multiple Choice

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to

• A) minimize water loss by evaporation from the cut surface.
• B) improve the appearance of the cut surface.
• C) stimulate growth of the cork cambium to "heal" the wound.
• D) block entry of pathogens through the wound.
• E) induce the production of phytoalexins.

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