ORNAMENTAL AND SHADE TREE PESTICIDE PA
CATEGORY 6 ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ Define "Particle Drift" and what impacts it most. Answer: The
movement of fine particles through the air when pesticide is applied;
Droplet size and Wind
◉ What hand lens magnification is recommended for insect
identification? Answer: 5 to 10 power
◉ Define "Phytotoxicity". Answer: A toxic effect by a compound on
plant growth
◉ What can be used during a tree injection to treat a tree more quickly
and increase its ability to take up the pesticides? Answer: Pressure
◉ What is an important cultural control method?
A. The use of biorational pesticides
B. The use of pest resistant material
, C. The use of predatory insects. Answer: B. The use of pest resistant
material
◉ What are common winter annual weeds? Answer: Common
chickweed, henbit, field pennycress, hairy bittercress
◉ Disease management in ornamentals can be improved by? Answer:
Dormant pruning, disease resistant varieties, bed rotation
◉ Best describe a sod webworm larva? Answer: Flesh or gray color with
small distinct black dots
◉ Algae problems in greenhouses can be controlled by? Answer:
Treatment with copper sulphate
◉ Small, green or brown insects which jump or fly when disturbed are?
Answer: Leafhoppers
◉ Why is it beneficial to prune shrubs? Answer: Pruning opens up the
canopy and allows air to circulate around the leaves; less moisture
reduces conditions favorable to disease
◉ Why might you recommend resistant varieties of plants? Answer:
Resistant varieties are designed to reduce insect and disease pressure on
CATEGORY 6 ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ Define "Particle Drift" and what impacts it most. Answer: The
movement of fine particles through the air when pesticide is applied;
Droplet size and Wind
◉ What hand lens magnification is recommended for insect
identification? Answer: 5 to 10 power
◉ Define "Phytotoxicity". Answer: A toxic effect by a compound on
plant growth
◉ What can be used during a tree injection to treat a tree more quickly
and increase its ability to take up the pesticides? Answer: Pressure
◉ What is an important cultural control method?
A. The use of biorational pesticides
B. The use of pest resistant material
, C. The use of predatory insects. Answer: B. The use of pest resistant
material
◉ What are common winter annual weeds? Answer: Common
chickweed, henbit, field pennycress, hairy bittercress
◉ Disease management in ornamentals can be improved by? Answer:
Dormant pruning, disease resistant varieties, bed rotation
◉ Best describe a sod webworm larva? Answer: Flesh or gray color with
small distinct black dots
◉ Algae problems in greenhouses can be controlled by? Answer:
Treatment with copper sulphate
◉ Small, green or brown insects which jump or fly when disturbed are?
Answer: Leafhoppers
◉ Why is it beneficial to prune shrubs? Answer: Pruning opens up the
canopy and allows air to circulate around the leaves; less moisture
reduces conditions favorable to disease
◉ Why might you recommend resistant varieties of plants? Answer:
Resistant varieties are designed to reduce insect and disease pressure on
