Illinois Field Crop Applicators Test EXAM 2025/2026 Actual
Complete Real Exam Questions and Correct Answers
(Verified Answers) Already Graded A+ 2025 Newest
Exam / Just Released!!
What pest has this economic threshold? first crop- 3 or more
larvae per stem and 20% of the tips skeletonized.
later cuttings- feeding on 50% of crowns and no regrowth for 3-
6 days. - ANSWER-alfalfa weevil
Name this pest: 1/8 inch long, green, wedge shaped - ANSWER-
potato leafhopper
what pest causes this damage: yellowish leaflets and dark
brown triangular leaflet tips. - ANSWER-potato leafhopper
when is alfalfa most susceptible to potato leafhopper damage
and as a consequence when is the most critical time to scout
for this pest? - ANSWER-after the first crop
name the pest- Appearance is grean brown w/ orange stripes
up to 1.5 inches long. Damage they cause is feed at night and
on cloudy days chewing through wheat stems causing heads to
fall off. - ANSWER-armyworm larvae
,The following methods of controlling insect pest are examples
of what type of method?
-Fly free wheat planting dates for hessian flies
-Early cutting of alfalfa to reduce alfalfa weevil damage -
ANSWER-Cultural
the following methods of controlling insect pests are examples
of what type of method?
-Tillage to destroy overwintering grasshopper eggs
-late season weed removal to control stalk borer - ANSWER-
Mechanical
The following methods of controlling insect pests are examples
of what type of method?
-tachinid flies parasitizing army worms
-genetically modified corn containing Bt - ANSWER-biological
The following methods of controlling insect pests are examples
of what type of method?
-rescue treatment of corn for black cutworm
-banding insecticide over corn row at planting time to control
corn root-worm - ANSWER-chemical
these are 4 main characteristics used to identify what type of
weed seedlings?
1. cotyledons
2. true leaves
3. arrangement of true leaves
4. leaf petioles - ANSWER-broadleaf
, These 3 types of underground vegetative reproductive
structures are called what?
- rhizomes
-budding roots
-tubers/ bulbs - ANSWER-propagules
Name the pest that competes with crops for: light, nutrients,
moisture, and space. - ANSWER-weeds
abbreviation for: Early Preplant applications - ANSWER-EPP
abbreviation for: Preplant incorporated applications - ANSWER-
PPI
abbreviation for: preplant or preemergence applications -
ANSWER-PRE
abbreciation for: post emergence applications - ANSWER-POST
What stage in the lifecycle are annuals most susceptible to
herbicicdes applied postemergence? - ANSWER-seedling
What stage in the lifecycle are biennials most susceptible to
herbicicdes applied postemergence? - ANSWER-seedling,
rosette stage, prior to bolting
Complete Real Exam Questions and Correct Answers
(Verified Answers) Already Graded A+ 2025 Newest
Exam / Just Released!!
What pest has this economic threshold? first crop- 3 or more
larvae per stem and 20% of the tips skeletonized.
later cuttings- feeding on 50% of crowns and no regrowth for 3-
6 days. - ANSWER-alfalfa weevil
Name this pest: 1/8 inch long, green, wedge shaped - ANSWER-
potato leafhopper
what pest causes this damage: yellowish leaflets and dark
brown triangular leaflet tips. - ANSWER-potato leafhopper
when is alfalfa most susceptible to potato leafhopper damage
and as a consequence when is the most critical time to scout
for this pest? - ANSWER-after the first crop
name the pest- Appearance is grean brown w/ orange stripes
up to 1.5 inches long. Damage they cause is feed at night and
on cloudy days chewing through wheat stems causing heads to
fall off. - ANSWER-armyworm larvae
,The following methods of controlling insect pest are examples
of what type of method?
-Fly free wheat planting dates for hessian flies
-Early cutting of alfalfa to reduce alfalfa weevil damage -
ANSWER-Cultural
the following methods of controlling insect pests are examples
of what type of method?
-Tillage to destroy overwintering grasshopper eggs
-late season weed removal to control stalk borer - ANSWER-
Mechanical
The following methods of controlling insect pests are examples
of what type of method?
-tachinid flies parasitizing army worms
-genetically modified corn containing Bt - ANSWER-biological
The following methods of controlling insect pests are examples
of what type of method?
-rescue treatment of corn for black cutworm
-banding insecticide over corn row at planting time to control
corn root-worm - ANSWER-chemical
these are 4 main characteristics used to identify what type of
weed seedlings?
1. cotyledons
2. true leaves
3. arrangement of true leaves
4. leaf petioles - ANSWER-broadleaf
, These 3 types of underground vegetative reproductive
structures are called what?
- rhizomes
-budding roots
-tubers/ bulbs - ANSWER-propagules
Name the pest that competes with crops for: light, nutrients,
moisture, and space. - ANSWER-weeds
abbreviation for: Early Preplant applications - ANSWER-EPP
abbreviation for: Preplant incorporated applications - ANSWER-
PPI
abbreviation for: preplant or preemergence applications -
ANSWER-PRE
abbreciation for: post emergence applications - ANSWER-POST
What stage in the lifecycle are annuals most susceptible to
herbicicdes applied postemergence? - ANSWER-seedling
What stage in the lifecycle are biennials most susceptible to
herbicicdes applied postemergence? - ANSWER-seedling,
rosette stage, prior to bolting
