Turfgrass Pest Management Test Questions
with Complete Answers.
How can tiny mites on junipers and evergreens be found? - Answer They can be found by
tapping the leaves against a white index card several times
What is Phytotoxicity? - Answer Plant damage caused by pesticides
Resistance from pesticides comes from... - Answer Using the same pesticide over and over
again
Pesticides in the soil... - Answer Are eventually broken down by bacteria and fungi
When should you apply a pesticide? - Answer When pests are abundant enough to cause
unacceptable damage
In an IPM program you should... - Answer Produce healthy plants that can resist pests
Which is true? - Answer Different diseases and insects can cause the same symptoms
Which is false? - Answer Record keeping takes more time than it is worth
What is Thatch? - Answer The layer of living and dead plant stems, leaves, and roots that
develops between the soil surface and green vegetation
What does proper mowing mean? - Answer Using sharp blades to make a clean cut
To promote healthy turf and reduce disease... - Answer Water thoroughly when you first see
wilting
When fertilizing... - Answer Determine fertilizer need through results of a soil test
Which is false? - Answer Thatch should be a least 2 inches thick to keep soil cool
Cool-season cultivars... - Answer Can be mixed to minimize disease
, Good soil drainage... - Answer Promotes healthy turfgrass
Which is false? - Answer Do not fertilize turf that is infected with Dollar spot
What are some characteristics of cutworms? - Answer 1.) They attack turf
2.) They hide in burrows (or aeration holes) during the day and at night they clip the turf
surrounding the burrow, resulting in brown streaks or circles on the lawn
What are some characteristics of Armyworms? - Answer 1.) The fall army worm and yellow
striped army worm are more commonly found in the southern and transition turf ones.
2.) The sometimes feed together and "mow" the turf
3.) Has continuous generations through the year
What are some characteristics of Sod Webworms? - Answer 1.) Use soap and water method
to find webworms
2.) Spin silk webbing at the base of grass crowns
3.) They winter as Caterpillars in protective webbing and in spring they feed rapidly and molt
into the pupal stage.
What are some characteristics of Billbugs? - Answer 1.) They are grubs
2.) Billbug damage is easy to diagnose boy gabbing hold of the turf and PULLING OR ROLLING IT
BACK
What are some characteristics of Chinch Bugs? - Answer 1.) They feed in clusters and
damage first appears as circular patches of yellowing turf that resemble drought injury
What kinds of pests feed on roots? - Answer 1.) White grubs and mole crickets are the most
serious root-feeding pests on turf grasses in the southern states
The immature stages of Japanese beetles, Green June beetles, Masked chafers, and Oriental
beetles are... - Answer White grubs
What are some characteristics of Japanese beetles? - Answer 1.) Grubs feed on roots and
organic matter at the soil-thatch junction
What are some characteristics of the Masked chafer? - Answer 1.) Turf heavily infested with
masked chafers shows drought stress and dead patches that do not recover after irrigation