Massachusetts Commercial Applicator Certification
Category 37: Turf Pest Control
Practice Examination
This comprehensive 130+ question exam is designed to help you prepare for the
Massachusetts Category 37 certification exam. The questions are based on
principles of Integrated Pest Management (IPM), turfgrass culture, and pest
identification as outlined by UMass Extension.
Domain 1: Integrated Pest Management (IPM) Fundamentals
1. According to UMass Extension, what is the primary goal of an Integrated Pest
Management (IPM) program for turf?
A. To eradicate all pest species from the turf area.
B. To manage pests using a single, highly effective pesticide application.
C. To manage pests using a combination of cultural, biological, and chemical
methods that are economically and environmentally sound.
D. To rely exclusively on organic products for pest control.
Correct Answer💜💜: C
Rationale: IPM is a sustainable approach that combines multiple management
strategies to reduce pest damage with the least possible hazard to people,
property, and the environment. The UMass Extension Turf Program emphasizes
this holistic approach in its mission and publications .
2. The first step in the IPM process is:
A. Selecting a pesticide.
,B. Assessing the site conditions and history.
C. Applying a broad-spectrum fungicide preventatively.
D. Establishing a tolerance threshold for weeds.
Correct Answer💜💜: B
Rationale: Before any management decisions are made, you must understand the
site. This includes soil type, drainage, sunlight, turf species, and past management
practices, as outlined in resources like the "Professional Turf Management
Guide" .
3. What is an "action threshold" in an IPM program?
A. The point at which a pest is first sighted on the property.
B. The legal limit for pesticide residues on turf.
C. The pest population level at which control measures must be taken to prevent
unacceptable damage.
D. The time of year when pesticide applications are prohibited.
Correct Answer💜💜: C
Rationale: An action threshold is the key decision-making point in IPM. It is the
point at which pest populations or environmental conditions indicate that pest
control action must be taken to prevent the problem from becoming
economically or aesthetically damaging .
4. Which of the following is the BEST example of a cultural control practice for
turf pests?
A. Applying a preventive insecticide in early spring.
B. Mowing at the recommended height for the turfgrass species.
,C. Releasing beneficial nematodes to control grubs.
D. Spraying a contact herbicide on broadleaf weeds.
Correct Answer💜💜: B
Rationale: Cultural controls are practices that make the environment less
favorable for pests. Proper mowing, irrigation, and fertilization create a dense,
healthy turf that can outcompete weeds and tolerate some insect damage .
5. Why is keeping accurate records a critical component of an IPM program?
A. It is only required by law for commercial applicators.
B. It helps track pest patterns, evaluate management success, and plan for future
seasons.
C. It is primarily used to bill clients for services rendered.
D. Records are only necessary for pesticide applications, not for monitoring.
Correct Answer💜💜: B
Rationale: Records of pest incidence, weather, and management practices
provide valuable historical data. This allows a turf manager to refine their IPM
program over time, making it more effective and efficient .
Domain 2: Turfgrass Culture and Management
6. The "one-third rule" of mowing states that:
A. You should never remove more than one-third of the leaf blade height in a
single mowing.
B. You should only mow when one-third of the turf area has weeds.
C. You should apply no more than one-third of your total nitrogen in the spring.
, D. You should keep your mower blades sharpened to one-third of their original
thickness.
Correct Answer💜💜: A
Rationale: Removing more than one-third of the leaf blade at once can shock the
plant, reduce photosynthesis, limit root growth, and leave the turf susceptible to
stress and disease .
7. What is "thatch"?
A. The layer of grass clippings left on the lawn after mowing.
B. A tightly intermingled layer of dead and living stems, roots, and organic matter
that develops between the green vegetation and the soil surface.
C. A disease caused by over-fertilization.
D. Soil compaction caused by heavy foot traffic.
Correct Answer💜💜: B
Rationale: Thatch is different from clippings. While a thin layer is beneficial,
excessive thatch (over ½ inch) harbors pests and diseases and prevents water and
air from reaching the soil .
8. The primary cause of excessive thatch buildup is:
A. Leaving grass clippings on the lawn.
B. The over-use of fast-release nitrogen fertilizers.
C. Frequent, deep watering.
D. Mowing too high.
Correct Answer💜💜: B
Rationale: High nitrogen fertility, especially with fast-release sources, stimulates
Category 37: Turf Pest Control
Practice Examination
This comprehensive 130+ question exam is designed to help you prepare for the
Massachusetts Category 37 certification exam. The questions are based on
principles of Integrated Pest Management (IPM), turfgrass culture, and pest
identification as outlined by UMass Extension.
Domain 1: Integrated Pest Management (IPM) Fundamentals
1. According to UMass Extension, what is the primary goal of an Integrated Pest
Management (IPM) program for turf?
A. To eradicate all pest species from the turf area.
B. To manage pests using a single, highly effective pesticide application.
C. To manage pests using a combination of cultural, biological, and chemical
methods that are economically and environmentally sound.
D. To rely exclusively on organic products for pest control.
Correct Answer💜💜: C
Rationale: IPM is a sustainable approach that combines multiple management
strategies to reduce pest damage with the least possible hazard to people,
property, and the environment. The UMass Extension Turf Program emphasizes
this holistic approach in its mission and publications .
2. The first step in the IPM process is:
A. Selecting a pesticide.
,B. Assessing the site conditions and history.
C. Applying a broad-spectrum fungicide preventatively.
D. Establishing a tolerance threshold for weeds.
Correct Answer💜💜: B
Rationale: Before any management decisions are made, you must understand the
site. This includes soil type, drainage, sunlight, turf species, and past management
practices, as outlined in resources like the "Professional Turf Management
Guide" .
3. What is an "action threshold" in an IPM program?
A. The point at which a pest is first sighted on the property.
B. The legal limit for pesticide residues on turf.
C. The pest population level at which control measures must be taken to prevent
unacceptable damage.
D. The time of year when pesticide applications are prohibited.
Correct Answer💜💜: C
Rationale: An action threshold is the key decision-making point in IPM. It is the
point at which pest populations or environmental conditions indicate that pest
control action must be taken to prevent the problem from becoming
economically or aesthetically damaging .
4. Which of the following is the BEST example of a cultural control practice for
turf pests?
A. Applying a preventive insecticide in early spring.
B. Mowing at the recommended height for the turfgrass species.
,C. Releasing beneficial nematodes to control grubs.
D. Spraying a contact herbicide on broadleaf weeds.
Correct Answer💜💜: B
Rationale: Cultural controls are practices that make the environment less
favorable for pests. Proper mowing, irrigation, and fertilization create a dense,
healthy turf that can outcompete weeds and tolerate some insect damage .
5. Why is keeping accurate records a critical component of an IPM program?
A. It is only required by law for commercial applicators.
B. It helps track pest patterns, evaluate management success, and plan for future
seasons.
C. It is primarily used to bill clients for services rendered.
D. Records are only necessary for pesticide applications, not for monitoring.
Correct Answer💜💜: B
Rationale: Records of pest incidence, weather, and management practices
provide valuable historical data. This allows a turf manager to refine their IPM
program over time, making it more effective and efficient .
Domain 2: Turfgrass Culture and Management
6. The "one-third rule" of mowing states that:
A. You should never remove more than one-third of the leaf blade height in a
single mowing.
B. You should only mow when one-third of the turf area has weeds.
C. You should apply no more than one-third of your total nitrogen in the spring.
, D. You should keep your mower blades sharpened to one-third of their original
thickness.
Correct Answer💜💜: A
Rationale: Removing more than one-third of the leaf blade at once can shock the
plant, reduce photosynthesis, limit root growth, and leave the turf susceptible to
stress and disease .
7. What is "thatch"?
A. The layer of grass clippings left on the lawn after mowing.
B. A tightly intermingled layer of dead and living stems, roots, and organic matter
that develops between the green vegetation and the soil surface.
C. A disease caused by over-fertilization.
D. Soil compaction caused by heavy foot traffic.
Correct Answer💜💜: B
Rationale: Thatch is different from clippings. While a thin layer is beneficial,
excessive thatch (over ½ inch) harbors pests and diseases and prevents water and
air from reaching the soil .
8. The primary cause of excessive thatch buildup is:
A. Leaving grass clippings on the lawn.
B. The over-use of fast-release nitrogen fertilizers.
C. Frequent, deep watering.
D. Mowing too high.
Correct Answer💜💜: B
Rationale: High nitrogen fertility, especially with fast-release sources, stimulates
