Iowa 3OT Pesticide questions with verified answers 2026\2027
A+ Grade
Which combination will create the greatest drift hazard?
- correct answer High Pressure - Small Orifice
You must know the persistence of pesticides you apply to ornamental and turf areas, especially where:
- correct answer A garden is nearby
Powder is applied
Humans, pets, or other animals are present
The minimum period of time to keep children, adults, pets, and domestic animals from contact with
sprayed turf is:
- correct answer Until the turf is dry
Which of the following turfgrass diseases can be severe in July and August in Iowa?
- correct answer Summer patch
Which one of the following weeds is a perennial, broadleaf weed?
- correct answer Field bindweed
Powdery mildew is identified by the presence of:
- correct answer Fluffy, grayish-white blotches on leaves and flowering parts
Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:
- correct answer Leafhoppers
Which of the following insecticides would be the best choice if all will adequately control the target
pest?
- correct answer One with the signal word "Caution"
, Symptoms of dollar spot in Kentucky bluegrass include:
- correct answer Fluffy gray residue on leaves
The following are characteristic of stem rust of Kentucky bluegrass:
- correct answer Produces brick red pustules on leaf blades in late summer
The control of pink and gray snow mold involves:
- correct answer The construction of snow barriers to minimize accumulation of snow in problem areas
Factors that contribute to pesticide phytotoxicity are:
- correct answer Uneven distribution of pesticides
High air temperatures
Excessive application rates of pesticides
Which of the following list of weeds are winter annuals?
- correct answer Common chickweed, henbit, field pennycress
Disease management in ornamentals can be improved by:
- correct answer Dormant pruning, disease resistant varieties, bed rotation
The four basic weed control methods are:
- correct answer Cultural, chemical, mechanical, biological
The presence of sod webworms in a turf area is relatively easy to determine by:
- correct answer Using a pyrethrum flushing agent to force the webworms to the surface
The minimum protective clothing for handling any formulation of pesticide with a "caution" label is:
- correct answer Long-sleeved shirt and long pants, shoes
The chance for exposing humans, pets, non-target organisms and other sites during equipment clean up
can be reduced by:
A+ Grade
Which combination will create the greatest drift hazard?
- correct answer High Pressure - Small Orifice
You must know the persistence of pesticides you apply to ornamental and turf areas, especially where:
- correct answer A garden is nearby
Powder is applied
Humans, pets, or other animals are present
The minimum period of time to keep children, adults, pets, and domestic animals from contact with
sprayed turf is:
- correct answer Until the turf is dry
Which of the following turfgrass diseases can be severe in July and August in Iowa?
- correct answer Summer patch
Which one of the following weeds is a perennial, broadleaf weed?
- correct answer Field bindweed
Powdery mildew is identified by the presence of:
- correct answer Fluffy, grayish-white blotches on leaves and flowering parts
Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:
- correct answer Leafhoppers
Which of the following insecticides would be the best choice if all will adequately control the target
pest?
- correct answer One with the signal word "Caution"
, Symptoms of dollar spot in Kentucky bluegrass include:
- correct answer Fluffy gray residue on leaves
The following are characteristic of stem rust of Kentucky bluegrass:
- correct answer Produces brick red pustules on leaf blades in late summer
The control of pink and gray snow mold involves:
- correct answer The construction of snow barriers to minimize accumulation of snow in problem areas
Factors that contribute to pesticide phytotoxicity are:
- correct answer Uneven distribution of pesticides
High air temperatures
Excessive application rates of pesticides
Which of the following list of weeds are winter annuals?
- correct answer Common chickweed, henbit, field pennycress
Disease management in ornamentals can be improved by:
- correct answer Dormant pruning, disease resistant varieties, bed rotation
The four basic weed control methods are:
- correct answer Cultural, chemical, mechanical, biological
The presence of sod webworms in a turf area is relatively easy to determine by:
- correct answer Using a pyrethrum flushing agent to force the webworms to the surface
The minimum protective clothing for handling any formulation of pesticide with a "caution" label is:
- correct answer Long-sleeved shirt and long pants, shoes
The chance for exposing humans, pets, non-target organisms and other sites during equipment clean up
can be reduced by:
