Dallas Commercial Pesticide Applicator -
Ornamental and Turf Pest Control Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which principle of Integrated Pest Management (IPM) emphasizes
preventing pest outbreaks before they occur in ornamental
landscapes?
A. Reactive suppression
B. Preventive cultural control
C. Chemical eradication
D. Mechanical removal only
B. Preventive cultural control
Preventive cultural control focuses on practices such as proper
mowing, irrigation, and plant selection to reduce pest establishment
before infestations occur.
2. Which turfgrass condition most commonly increases susceptibility to
fungal diseases?
A. Deep, infrequent watering
B. Proper nitrogen balance
C. Poor air circulation and excessive moisture
D. Regular mowing at recommended height
, C. Poor air circulation and excessive moisture
Excess moisture and limited airflow create ideal conditions for fungal
pathogens to develop and spread in turfgrass systems.
3. What is the primary purpose of a pesticide label?
A. Marketing the product
B. Providing legal use instructions and restrictions
C. Explaining turfgrass biology
D. Replacing applicator training
B. Providing legal use instructions and restrictions
The pesticide label is a legal document that defines how a product
must be used safely and effectively, and it must be strictly followed.
4. Which insect is a common turf pest that creates irregular brown
patches by feeding on grass roots?
A. White grubs
B. Aphids
C. Leafhoppers
D. Spider mites
A. White grubs
White grubs feed on turfgrass roots, leading to weakened grass that
can be easily pulled up and forms irregular dead patches.
5. What is the best time to apply post-emergent herbicides for maximum
effectiveness on annual weeds?
A. Before weed germination
B. During peak flowering of turf
C. When weeds are young and actively growing
D. During drought stress
C. When weeds are young and actively growing
Young, actively growing weeds absorb herbicides more effectively,
improving control outcomes.
, 6. Which mowing practice best supports healthy turf and reduces pest
pressure?
A. Removing more than 50% of leaf blade
B. Mowing at recommended height and frequency
C. Mowing only when weeds appear
D. Sharpening blades once per year
B. Mowing at recommended height and frequency
Proper mowing height maintains turf vigor and reduces stress that
can encourage pest invasion.
7. Which group of herbicides primarily targets actively growing plants
after emergence?
A. Pre-emergent herbicides
B. Post-emergent herbicides
C. Soil sterilants
D. Fumigants
B. Post-emergent herbicides
Post-emergent herbicides are applied to control weeds that have
already emerged and are actively growing.
8. What is the most important step before applying any pesticide?
A. Mixing chemicals immediately
B. Reading the product label thoroughly
C. Increasing dosage for better results
D. Applying during windy conditions
B. Reading the product label thoroughly
Reading the label ensures compliance with legal requirements and
safe, effective application practices.
9. Which condition favors crabgrass germination in turf systems?
A. Cool, shaded environments
B. Dense, healthy turf cover
Ornamental and Turf Pest Control Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which principle of Integrated Pest Management (IPM) emphasizes
preventing pest outbreaks before they occur in ornamental
landscapes?
A. Reactive suppression
B. Preventive cultural control
C. Chemical eradication
D. Mechanical removal only
B. Preventive cultural control
Preventive cultural control focuses on practices such as proper
mowing, irrigation, and plant selection to reduce pest establishment
before infestations occur.
2. Which turfgrass condition most commonly increases susceptibility to
fungal diseases?
A. Deep, infrequent watering
B. Proper nitrogen balance
C. Poor air circulation and excessive moisture
D. Regular mowing at recommended height
, C. Poor air circulation and excessive moisture
Excess moisture and limited airflow create ideal conditions for fungal
pathogens to develop and spread in turfgrass systems.
3. What is the primary purpose of a pesticide label?
A. Marketing the product
B. Providing legal use instructions and restrictions
C. Explaining turfgrass biology
D. Replacing applicator training
B. Providing legal use instructions and restrictions
The pesticide label is a legal document that defines how a product
must be used safely and effectively, and it must be strictly followed.
4. Which insect is a common turf pest that creates irregular brown
patches by feeding on grass roots?
A. White grubs
B. Aphids
C. Leafhoppers
D. Spider mites
A. White grubs
White grubs feed on turfgrass roots, leading to weakened grass that
can be easily pulled up and forms irregular dead patches.
5. What is the best time to apply post-emergent herbicides for maximum
effectiveness on annual weeds?
A. Before weed germination
B. During peak flowering of turf
C. When weeds are young and actively growing
D. During drought stress
C. When weeds are young and actively growing
Young, actively growing weeds absorb herbicides more effectively,
improving control outcomes.
, 6. Which mowing practice best supports healthy turf and reduces pest
pressure?
A. Removing more than 50% of leaf blade
B. Mowing at recommended height and frequency
C. Mowing only when weeds appear
D. Sharpening blades once per year
B. Mowing at recommended height and frequency
Proper mowing height maintains turf vigor and reduces stress that
can encourage pest invasion.
7. Which group of herbicides primarily targets actively growing plants
after emergence?
A. Pre-emergent herbicides
B. Post-emergent herbicides
C. Soil sterilants
D. Fumigants
B. Post-emergent herbicides
Post-emergent herbicides are applied to control weeds that have
already emerged and are actively growing.
8. What is the most important step before applying any pesticide?
A. Mixing chemicals immediately
B. Reading the product label thoroughly
C. Increasing dosage for better results
D. Applying during windy conditions
B. Reading the product label thoroughly
Reading the label ensures compliance with legal requirements and
safe, effective application practices.
9. Which condition favors crabgrass germination in turf systems?
A. Cool, shaded environments
B. Dense, healthy turf cover
