Maine Commercial Applicator Certification
Category 3B Turf Pest Control Examination
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
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1.Which Maine agency administers commercial pesticide applicator
certification?
A. Maine Department of Agriculture
B. Maine Board of Environmental Protection
C. Maine Board of Pesticides Control
D. Maine Department of Environmental Protection
Answer: C. Maine Board of Pesticides Control
Rationale: The Maine Board of Pesticides Control is the regulatory
authority responsible for pesticide licensing, certification, enforcement,
and compliance in the State of Maine. It operates within the
Department of Agriculture, Conservation and Forestry and oversees
commercial applicator certification, including Category 3B – Turf Pest
Control.
, 2.A commercial applicator in Maine must renew certification:
A. Every year
B. Every two years
C. Every three years
D. Every five years
Answer: B. Every two years
Rationale: Commercial applicator certifications in Maine operate on a
biennial renewal cycle. Applicators must meet continuing education or
reexamination requirements within each two-year period to maintain
active certification.
3.The term “restricted use pesticide” means a pesticide that:
A. Can only be used on agricultural crops
B. Is banned in Maine
C. Requires a permit for each application
D. May be purchased and applied only by certified applicators or
persons under their direct supervision
Answer: D. May be purchased and applied only by certified applicators
or persons under their direct supervision
Rationale: Restricted Use Pesticides (RUPs) pose greater risk to human
,health or the environment. Therefore, federal and state regulations limit
their purchase and application to certified individuals or those directly
supervised by them.
4.Which turfgrass species is most tolerant of Maine’s cold winters?
A. Bermudagrass
B. Zoysiagrass
C. Kentucky bluegrass
D. St. Augustinegrass
Answer: C. Kentucky bluegrass
Rationale: Kentucky bluegrass is a cool-season turfgrass well adapted to
Maine’s cold winters and moderate summers. Warm-season grasses such
as Bermudagrass and St. Augustinegrass are not winter-hardy in Maine.
5.Snow mold diseases in Maine are most likely to develop:
A. During hot, dry summers
B. During spring drought
C. Under prolonged snow cover on unfrozen ground D.
After heavy insect feeding
, Answer: C. Under prolonged snow cover on unfrozen ground
Rationale: Snow molds develop when turf remains covered by snow for
extended periods, especially if the soil is unfrozen. Cool, moist conditions
beneath snow promote fungal growth.
6.The best cultural practice to reduce crabgrass infestation is: A.
Overwatering
B. Late spring fertilization
C. Maintaining dense, healthy turf through proper mowing and
fertilization
D. Frequent scalping
Answer: C. Maintaining dense, healthy turf through proper mowing
and fertilization
Rationale: Dense turf competes effectively with crabgrass seedlings for
light, nutrients, and space. Proper mowing height and balanced
fertilization improve turf vigor and reduce weed invasion.
7.Preemergence herbicides for crabgrass control should be applied: A.
After crabgrass is visible
B. In mid-summer
Category 3B Turf Pest Control Examination
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1.Which Maine agency administers commercial pesticide applicator
certification?
A. Maine Department of Agriculture
B. Maine Board of Environmental Protection
C. Maine Board of Pesticides Control
D. Maine Department of Environmental Protection
Answer: C. Maine Board of Pesticides Control
Rationale: The Maine Board of Pesticides Control is the regulatory
authority responsible for pesticide licensing, certification, enforcement,
and compliance in the State of Maine. It operates within the
Department of Agriculture, Conservation and Forestry and oversees
commercial applicator certification, including Category 3B – Turf Pest
Control.
, 2.A commercial applicator in Maine must renew certification:
A. Every year
B. Every two years
C. Every three years
D. Every five years
Answer: B. Every two years
Rationale: Commercial applicator certifications in Maine operate on a
biennial renewal cycle. Applicators must meet continuing education or
reexamination requirements within each two-year period to maintain
active certification.
3.The term “restricted use pesticide” means a pesticide that:
A. Can only be used on agricultural crops
B. Is banned in Maine
C. Requires a permit for each application
D. May be purchased and applied only by certified applicators or
persons under their direct supervision
Answer: D. May be purchased and applied only by certified applicators
or persons under their direct supervision
Rationale: Restricted Use Pesticides (RUPs) pose greater risk to human
,health or the environment. Therefore, federal and state regulations limit
their purchase and application to certified individuals or those directly
supervised by them.
4.Which turfgrass species is most tolerant of Maine’s cold winters?
A. Bermudagrass
B. Zoysiagrass
C. Kentucky bluegrass
D. St. Augustinegrass
Answer: C. Kentucky bluegrass
Rationale: Kentucky bluegrass is a cool-season turfgrass well adapted to
Maine’s cold winters and moderate summers. Warm-season grasses such
as Bermudagrass and St. Augustinegrass are not winter-hardy in Maine.
5.Snow mold diseases in Maine are most likely to develop:
A. During hot, dry summers
B. During spring drought
C. Under prolonged snow cover on unfrozen ground D.
After heavy insect feeding
, Answer: C. Under prolonged snow cover on unfrozen ground
Rationale: Snow molds develop when turf remains covered by snow for
extended periods, especially if the soil is unfrozen. Cool, moist conditions
beneath snow promote fungal growth.
6.The best cultural practice to reduce crabgrass infestation is: A.
Overwatering
B. Late spring fertilization
C. Maintaining dense, healthy turf through proper mowing and
fertilization
D. Frequent scalping
Answer: C. Maintaining dense, healthy turf through proper mowing
and fertilization
Rationale: Dense turf competes effectively with crabgrass seedlings for
light, nutrients, and space. Proper mowing height and balanced
fertilization improve turf vigor and reduce weed invasion.
7.Preemergence herbicides for crabgrass control should be applied: A.
After crabgrass is visible
B. In mid-summer
