CHT Arboriculture & Tree Care

Question 1

Which pruning cut removes a branch back to its point of origin at the trunk or a larger branch?

Accepted Answer

Thinning cut

Answer

Heading cut

Answer

Stub cut

Answer

Crown reduction cut

Question 2

The 'branch collar' is important to preserve during pruning because it:

Accepted Answer

Contains specialized tissue that seals the wound and prevents decay

Answer

Is the site of new bud formation

Answer

Anchors the branch to the root system

Answer

Produces all the tree's stored food

Question 3

Tree topping is considered poor arboricultural practice primarily because it:

Accepted Answer

Creates large wounds, stimulates weak water sprouts, and accelerates decline

Answer

Costs too much to perform

Answer

Removes too few branches at once

Answer

Makes trees grow too slowly

Question 4

What is the recommended planting depth for a balled-and-burlapped tree?

Accepted Answer

Root flare at or slightly above grade

Answer

Root flare 6 inches below grade

Answer

Center of root ball at grade

Answer

Top of burlap at grade

Question 5

Which symptom is most characteristic of oak wilt disease?

Accepted Answer

Rapid wilting and bronzing of leaves starting at leaf tips, moving inward

Answer

White powdery coating on leaves

Answer

Galls on branches and twigs

Answer

Yellow mosaic pattern on foliage

Question 6

Mulching around trees provides all of the following benefits EXCEPT:

Accepted Answer

Increases soil compaction

Answer

Moderates soil temperature

Answer

Retains soil moisture

Answer

Suppresses weeds