IOWA COMMERCIAL PESTICIDE APPLICATOR
CATEGORY 1A EXAM (ACTUAL 2024-2025)
QUESTIONS WITH ANSWERS
Define translocated herbicides - answers__Herbicides which
move in the phloem of plants
Do translocated herbicides move up, down, or both ways in
plants? - answers__Because translocated herbicides move
within the phloem, they can move both up and down a plant.
Are Roundup, 2,4-D, Fusilade 2000, Poast Plus, Clarity, and
Banvil contact herbicides or translocted herbicides? -
answers__Translocated herbicides
What is essential when using contact herbicides? -
answers__Good spray coverage (usually involving high
carrier volumes)
Why is Tordon a restricted-use pesticide? - answers__It is
hazardous to non-target broadleafs and has a potential to
remain active in soil for more than a year.
After which stage should you not apply 2,4-D and MCPA to
small grains? - answers__Boot stage
If you plan on using 2,4-D amine on oats underseeded with a
legume, what should you wait for before applyication? -
, IOWA COMMERCIAL PESTICIDE APPLICATOR
CATEGORY 1A EXAM (ACTUAL 2024-2025)
QUESTIONS WITH ANSWERS
answers__Weeds and oats should be 6-12 inches tall and form
a protective canopy over the legume.
What is a benefit to using Eptam, Balan, and Poast Plus when
seeding alfalfa? - answers__A small grain companion crop is
not required
When should annual broadleaf leaves be sprayed in pastures?
- answers__Spring, after they have fully expanded leaves
Why do many pasture herbicides have grazing restrictions? -
answers__To prevent the occurrence of illegal residues in
meat or milk
At greater than what soil pH level should you not use Canopy,
Preview, and Lorox Plus due to carryover risk? -
answers__6.8
What practice will reduce vapor drift risk of the herbicide
Command? - answers__Incorporation
Within how many feet of towns and commercial
fruit/vegetable production should you not use Command? -
answers__1,000
CATEGORY 1A EXAM (ACTUAL 2024-2025)
QUESTIONS WITH ANSWERS
Define translocated herbicides - answers__Herbicides which
move in the phloem of plants
Do translocated herbicides move up, down, or both ways in
plants? - answers__Because translocated herbicides move
within the phloem, they can move both up and down a plant.
Are Roundup, 2,4-D, Fusilade 2000, Poast Plus, Clarity, and
Banvil contact herbicides or translocted herbicides? -
answers__Translocated herbicides
What is essential when using contact herbicides? -
answers__Good spray coverage (usually involving high
carrier volumes)
Why is Tordon a restricted-use pesticide? - answers__It is
hazardous to non-target broadleafs and has a potential to
remain active in soil for more than a year.
After which stage should you not apply 2,4-D and MCPA to
small grains? - answers__Boot stage
If you plan on using 2,4-D amine on oats underseeded with a
legume, what should you wait for before applyication? -
, IOWA COMMERCIAL PESTICIDE APPLICATOR
CATEGORY 1A EXAM (ACTUAL 2024-2025)
QUESTIONS WITH ANSWERS
answers__Weeds and oats should be 6-12 inches tall and form
a protective canopy over the legume.
What is a benefit to using Eptam, Balan, and Poast Plus when
seeding alfalfa? - answers__A small grain companion crop is
not required
When should annual broadleaf leaves be sprayed in pastures?
- answers__Spring, after they have fully expanded leaves
Why do many pasture herbicides have grazing restrictions? -
answers__To prevent the occurrence of illegal residues in
meat or milk
At greater than what soil pH level should you not use Canopy,
Preview, and Lorox Plus due to carryover risk? -
answers__6.8
What practice will reduce vapor drift risk of the herbicide
Command? - answers__Incorporation
Within how many feet of towns and commercial
fruit/vegetable production should you not use Command? -
answers__1,000
