When an Arborist Prunes a Limb Off a Valuable Tree

Multiple Choice

When an arborist prunes a limb off a valuable tree, he or she may paint the cut surface with a nontoxic sealant. 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 proteinase inhibitors