Answered Correct.
Which stage of an insect's lifecycle is typically the most vulnerable to pesticide applications? -
Answer Larvae
When are white grubs most actively feeding on turf grass roots? - Answer Late Spring and early
fall
What is the best time to apply an insecticide for controlling white grubs? - Answer After eggs
hatch and larvae are small
Which turf pest over winters as larvae and resumes feeding in early spring? - Answer Japanese
beetle grubs
The life cycle of billbugs includes a larval stage that feeds inside grass stems before moving into
the soil. - Answer True
Which of the following conditions is most favorable for the development of dollar spot disease?
- Answer Warm days, cool nights, and prolonged leaf wetness
Which fungal disease causes circular, water-soaked patches that quickly turn brown in hot,
humid weather? - Answer Brown patch
Which disease is most likely to occur under prolonged snow cover? - Answer Gray snow mold
Proper nitrogen management can help reduce the risk of red thread and dollar spot in turf. -
Answer True
Which cultural practice is most effective in reducing the severity of summer patch? - Answer
Deep, infrequent watering and aeration.
The best time to apply a pre-emergent herbicide for crabgrass control in New Hampshire is: -
, Which weather condition is most favorable for pesticide drift. - Answer Hot temperatures, low
humidity, and high winds
When is the best time to apply post-emergent broadleaf herbicides for optimal control? -
Answer Late fall when weeds are storing energy in roots
Insecticide applications for chinch bug control should be made in mid-summer when nymphs
are most active - Answer True
Which cultural practice can help prevent fungal diseases in turf? - Answer Mowing at the
correct height and improving air circulation
Applying pesticides during the correct application window is important because: - Answer It
maximizes pest control and reduces environmental impact
Which of the following practices can help reduce the need for chemical fungicides? - Answer
Proper irrigation and fertilization
What is the main goal of integrated pest management (IPM)? - Answer To reduce pesticide use
through cultural, mechanical and biological methods
Alternating fungicide modes of action can help prevent pesticide resistance in turf diseases. -
Answer True
At what stage are Japanese beetles most damaging to turf grass? - Answer Larvae
Which turf pest is most active during hot, dry conditions and feeds by sucking sap from grass
blades? - Answer Chinch bugs
Sod webworm larvae are most active at night and can cause significant damage before being
noticed - Answer True
Annual Bluegrass weevils cause the most turf damage in which stage? - Answer Larvae