Illinois Pesticide Applicator Turfgrass – Exam
Questions with Correct Answers (Complete Study
Guide)
INTRODUCTION:
This document contains a comprehensive collection of Illinois
Pesticide Applicator Turfgrass exam questions with their correct
answers. It covers turfgrass pests, diseases, weeds, soil management,
irrigation, fertilization, pesticide types, application methods,
calibration formulas, Integrated Pest Management (IPM), and safety
practices. The material is structured as a study guide for license
preparation and provides complete coverage of both technical
turfgrass care and pesticide regulation knowledge.
EXAM QUESTIONS AND ANSWERS:
what color are actively feeding white grubs? --- correct answer ---
blackish at end of body
how many grubs per square feet is enough to cause dieback? ---
correct answer ---10-12 grubs
,blackturfgrass ataenius --- correct answer ---small white grub;
found in maintained turf, end of abdomen has two large pads; 50
ore more enough to damage
Japanese beetles --- correct answer ---major turf pest, emerge in
June/early July; hatch by August; susceptible to milky spore disease
Masked Chafers --- correct answer ---annual white grubs; strongly
attracted to light at night
May beetles --- correct answer ---true white grubs, important pests
to turfgrass; known as May/June bugs; feed only at night
billbugs --- correct answer ---Do not fly; found in same area year
after year; white powdery dust at base of plants from damage
blackcut worm --- correct answer ---pest because birds cause
damage from eating them, leaving holes in ground; shallow hole
where worms eat grass blades
sod webworms --- correct answer ---problem during droughts;
rarely fly higher than 5-6 feet;
,Problem with controlling ants? --- correct answer ---So numerous
any control will result in nothing
chinch bugs --- correct answer ---associated with hot, dry weather;
fungi that kills bug is more common in damp weather
greenbug --- correct answer ---always in shaded areas; unable to
exist in intense sunlight
mole --- correct answer ---dig underground tunnels, cause turf
dieback
voles --- correct answer ---field mice; surface runways that extend
into thatch
what causes nearly all the infectious disease in turfgrass? ---
correct answer ---fungi
Systemic pesticides move where in plant? --- correct answer ---
Most do not move downward only upward movement
fungicide has ability to stop progress of infections --- correct
answer ---curative/eradicant
, anthracnose --- correct answer ---two phases: foliar blight and
basal rot; yellowing or reddish brown discoloration; irregularly
shaped patches
brown patch --- correct answer ---round patterns of tan/brown
grass; "smoke ring"; straw colored patches up to 2 feet or more
conditions needed for brown patch --- correct answer ---hot, high
humidity; 10-12 hours of leaf wetness for several days
management for brown patch --- correct answer ---irrigate early in
the morning; avoid excessive nitrogen
dollar spot --- correct answer ---round patches; straw colored
sunken spots; gray/tan leaf lesions
management for dollar spot --- correct answer ---irrigate deeply
and infrequently; core-aerify
fairy rings --- correct answer ---dark green rings or arcs; up to 15
feet or more across
gray leaf spot --- correct answer ---gray to light brown leaf lesions;
purple to dark brown border; twist at leaf tip "fishhook"
Questions with Correct Answers (Complete Study
Guide)
INTRODUCTION:
This document contains a comprehensive collection of Illinois
Pesticide Applicator Turfgrass exam questions with their correct
answers. It covers turfgrass pests, diseases, weeds, soil management,
irrigation, fertilization, pesticide types, application methods,
calibration formulas, Integrated Pest Management (IPM), and safety
practices. The material is structured as a study guide for license
preparation and provides complete coverage of both technical
turfgrass care and pesticide regulation knowledge.
EXAM QUESTIONS AND ANSWERS:
what color are actively feeding white grubs? --- correct answer ---
blackish at end of body
how many grubs per square feet is enough to cause dieback? ---
correct answer ---10-12 grubs
,blackturfgrass ataenius --- correct answer ---small white grub;
found in maintained turf, end of abdomen has two large pads; 50
ore more enough to damage
Japanese beetles --- correct answer ---major turf pest, emerge in
June/early July; hatch by August; susceptible to milky spore disease
Masked Chafers --- correct answer ---annual white grubs; strongly
attracted to light at night
May beetles --- correct answer ---true white grubs, important pests
to turfgrass; known as May/June bugs; feed only at night
billbugs --- correct answer ---Do not fly; found in same area year
after year; white powdery dust at base of plants from damage
blackcut worm --- correct answer ---pest because birds cause
damage from eating them, leaving holes in ground; shallow hole
where worms eat grass blades
sod webworms --- correct answer ---problem during droughts;
rarely fly higher than 5-6 feet;
,Problem with controlling ants? --- correct answer ---So numerous
any control will result in nothing
chinch bugs --- correct answer ---associated with hot, dry weather;
fungi that kills bug is more common in damp weather
greenbug --- correct answer ---always in shaded areas; unable to
exist in intense sunlight
mole --- correct answer ---dig underground tunnels, cause turf
dieback
voles --- correct answer ---field mice; surface runways that extend
into thatch
what causes nearly all the infectious disease in turfgrass? ---
correct answer ---fungi
Systemic pesticides move where in plant? --- correct answer ---
Most do not move downward only upward movement
fungicide has ability to stop progress of infections --- correct
answer ---curative/eradicant
, anthracnose --- correct answer ---two phases: foliar blight and
basal rot; yellowing or reddish brown discoloration; irregularly
shaped patches
brown patch --- correct answer ---round patterns of tan/brown
grass; "smoke ring"; straw colored patches up to 2 feet or more
conditions needed for brown patch --- correct answer ---hot, high
humidity; 10-12 hours of leaf wetness for several days
management for brown patch --- correct answer ---irrigate early in
the morning; avoid excessive nitrogen
dollar spot --- correct answer ---round patches; straw colored
sunken spots; gray/tan leaf lesions
management for dollar spot --- correct answer ---irrigate deeply
and infrequently; core-aerify
fairy rings --- correct answer ---dark green rings or arcs; up to 15
feet or more across
gray leaf spot --- correct answer ---gray to light brown leaf lesions;
purple to dark brown border; twist at leaf tip "fishhook"
