LOUISIANA ARBORIST EXAM QUESTIONS WITH
VERIFIED SOLUTIONS CURRENTLY TESTED AND
APPROVED GRADED A+ 2026 NEW UPGRADE
What is the major objective in crown cleaning? --CORRECT
ANSWER--It removes dead, diseased, and dying crowded or wealdy
attached limbs from the crown. the objective is to correct small
growth problems before they get big growth problems.
Name five methods used to apply fertilization to trees. --CORRECT
ANSWER--Broadcasting, drill hole, injection, foliar application, and
implants
Are wound dressings or paint recommended after making pruning
cuts? Why? --CORRECT ANSWER--No, studies show it does no
good.
What is the purpose of crown restoration? --CORRECT ANSWER--
Improves structure and appearance of improperly pruned or storm-
damaged trees by encouraging new growth.
Page 1 of 46
,List 3 ways cavities are started in trees. --CORRECT ANSWER--
Insects, lightning, and wounds.
What is the definition of a tree? --CORRECT ANSWER--A woody
perennial with one or several trunks which grow higher than 12-15 ft
in height.
List five species of trees to plant under a power line. --CORRECT
ANSWER--Crape myrtle, chaste tree, red bud, silver bell, dogwood.
Discuss the differences between "flush cuts" and proper cuts made to
outer portions of branch collar. How do "flush cuts" affect growth? --
CORRECT ANSWER--A proper cut leaves the branch bark ridge,
branch collar, and swollen collar in tact. It enables the cut to close in a
circular fashion. Flush cuts remove it and opens the tree to decay by
removing dead wood which branch defense zones form.
Explain thinning cut and describe how they will affect the tree. --
CORRECT ANSWER--It is removing the branch back to the lateral
branch, large enough to assume terminal role. It opens the tree,
reduces weight, reduces height, and retains its shape.
Page 2 of 46
,Discuss Shingo's theory of walling off infections in trees called
CODIT (Compartmentalization of Decay in Trees). --CORRECT
ANSWER--1) Trees are highly compartmentalized.
2) If the tree is wounded, it will heal itself by walling itself off from
injury.
How will pruning a tree at time of transplanting affect tree growth? --
CORRECT ANSWER--It decreases root growth. You should avoid
pruning except for broken or damaged limbs.
Are there advantages of pruning a tree at planting time? --CORRECT
ANSWER--No
If you want to fertilize a tree by broadcasting 4 lbs. of actual nitrogen
and want to use 16-4-8 fertilizer, how often would you apply it over
1000 sq. ft. in one year? --CORRECT ANSWER--1 lb. of Nitrogen /
.16 (N in fertilizer) = 6.25 lbs per 1,000 ft.
6.25 lbs of Fertilizer x 4 lbs of N = 25 lbs of Fertilizer annually.
6.25 lbs. of 16-4-8 fertilizer should be applied 4 times a year.
Page 3 of 46
, List the most important pieces of safety equipment when using a
chainsaw. --CORRECT ANSWER--Safety glasses, earplugs, face
shield, hard hat, leg protection, and boots.
List the major parts of a tree and their function. --CORRECT
ANSWER--Leaves - photosynthesis, transpiration.
Trunk/Stems - conduct, support, storage.
Roots - anchorage, absorbing, storage, conduction.
Flowers - reproduction.
Fruit-ripened seed, pistil
What is the most critical time after transplanting a tree and why? --
CORRECT ANSWER--The 1st year to focus on root establishment.
What are the benefits of mulching a young tree? --CORRECT
ANSWER--To conserve moisture, reduce competition from weeds
and grass, improve soil structure, and aesthetic value.
List 3 benefits of mulch. --CORRECT ANSWER--1) Retains
moisture.
2) Reduces weeds.
Page 4 of 46
VERIFIED SOLUTIONS CURRENTLY TESTED AND
APPROVED GRADED A+ 2026 NEW UPGRADE
What is the major objective in crown cleaning? --CORRECT
ANSWER--It removes dead, diseased, and dying crowded or wealdy
attached limbs from the crown. the objective is to correct small
growth problems before they get big growth problems.
Name five methods used to apply fertilization to trees. --CORRECT
ANSWER--Broadcasting, drill hole, injection, foliar application, and
implants
Are wound dressings or paint recommended after making pruning
cuts? Why? --CORRECT ANSWER--No, studies show it does no
good.
What is the purpose of crown restoration? --CORRECT ANSWER--
Improves structure and appearance of improperly pruned or storm-
damaged trees by encouraging new growth.
Page 1 of 46
,List 3 ways cavities are started in trees. --CORRECT ANSWER--
Insects, lightning, and wounds.
What is the definition of a tree? --CORRECT ANSWER--A woody
perennial with one or several trunks which grow higher than 12-15 ft
in height.
List five species of trees to plant under a power line. --CORRECT
ANSWER--Crape myrtle, chaste tree, red bud, silver bell, dogwood.
Discuss the differences between "flush cuts" and proper cuts made to
outer portions of branch collar. How do "flush cuts" affect growth? --
CORRECT ANSWER--A proper cut leaves the branch bark ridge,
branch collar, and swollen collar in tact. It enables the cut to close in a
circular fashion. Flush cuts remove it and opens the tree to decay by
removing dead wood which branch defense zones form.
Explain thinning cut and describe how they will affect the tree. --
CORRECT ANSWER--It is removing the branch back to the lateral
branch, large enough to assume terminal role. It opens the tree,
reduces weight, reduces height, and retains its shape.
Page 2 of 46
,Discuss Shingo's theory of walling off infections in trees called
CODIT (Compartmentalization of Decay in Trees). --CORRECT
ANSWER--1) Trees are highly compartmentalized.
2) If the tree is wounded, it will heal itself by walling itself off from
injury.
How will pruning a tree at time of transplanting affect tree growth? --
CORRECT ANSWER--It decreases root growth. You should avoid
pruning except for broken or damaged limbs.
Are there advantages of pruning a tree at planting time? --CORRECT
ANSWER--No
If you want to fertilize a tree by broadcasting 4 lbs. of actual nitrogen
and want to use 16-4-8 fertilizer, how often would you apply it over
1000 sq. ft. in one year? --CORRECT ANSWER--1 lb. of Nitrogen /
.16 (N in fertilizer) = 6.25 lbs per 1,000 ft.
6.25 lbs of Fertilizer x 4 lbs of N = 25 lbs of Fertilizer annually.
6.25 lbs. of 16-4-8 fertilizer should be applied 4 times a year.
Page 3 of 46
, List the most important pieces of safety equipment when using a
chainsaw. --CORRECT ANSWER--Safety glasses, earplugs, face
shield, hard hat, leg protection, and boots.
List the major parts of a tree and their function. --CORRECT
ANSWER--Leaves - photosynthesis, transpiration.
Trunk/Stems - conduct, support, storage.
Roots - anchorage, absorbing, storage, conduction.
Flowers - reproduction.
Fruit-ripened seed, pistil
What is the most critical time after transplanting a tree and why? --
CORRECT ANSWER--The 1st year to focus on root establishment.
What are the benefits of mulching a young tree? --CORRECT
ANSWER--To conserve moisture, reduce competition from weeds
and grass, improve soil structure, and aesthetic value.
List 3 benefits of mulch. --CORRECT ANSWER--1) Retains
moisture.
2) Reduces weeds.
Page 4 of 46
