When an arborist prunes a limb off a valuable tree, he or she may paint 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

Question

Quizplus · Accepted Answer

The primary purpose of the paint is to block entry of pathogens through the wound, as pruning can leave a wound on the tree that is susceptible to diseases and pests. The other options are not the primary purpose of using paint after pruning.

When an Arborist Prunes a Limb Off a Valuable Tree