ORNAMENTAL AND TURFGRASS PEST
MANAGEMENT FOR CAROLINAS AND
GEORGIA EXAM GUIDE QUESTIONS
AND ANSWERS
Bacillus thuringiensis (Bt)
· Controls Japanese beetles
· Attracts predators to the turf
· Controls caterpillars
· Controls mole crickets - Answer-Controls caterpillars
The milky spore disease bacterium
· Is only effective against Japanese beetle grubs
· Give quick results
· Controls many species of caterpillar
· Makes turf look pale and stunted - Answer-Is only effective against Japanese beetle
grubs
An insecticide applied to control white grubs
· Will work best on the leaf surface
· Should be applied to dry soil
· Should be watered in to reach the soil
· Will work best on a thick thatch layer - Answer-· Should be watered in to reach the soil
Mole crickets
· Are a minor problem in warm-season grasses.
· Are found by monitoring pheromone traps
· Are damaging only in the adult stage
· Have only one generation per year - Answer-· Have only one generation per year
Herbicides are
· One tool for managing weeds
· The best way to control weeds
· Too dangerous to use in most landscapes
· Not really pesticides - Answer-· One tool for managing weeds
Annual weeds
· Are rarely a problem in turfgrass
· Only grow in the winter
· Live from 3 to years
· Grow, flower, go to seed, and die within 12 months - Answer-Grow, flower, go to seed,
and die within 12 months
, Perennial weeds
· Never have seeds
· Have seeds every other year
· Can live indefinitely
· Die immediately when you cut the tops off - Answer-· Can live indefinitely
Dandelions
· Reproduce only from tubers
· Can be controlled only by hand pulling
· Are summer annuals
· Have a sturdy taproot - Answer-· Have a sturdy taproot
Winter annual broadleaf weeds are
· Best controlled in mid to late fall and early winter
· Best controlled in early summer
· Best controlled in late spring
· Best controlled in spring and summer - Answer-· Best controlled in mid to late fall and
early winter
Which of these factors is not a component of the disease pyramid?
· Soil moisture
· Sunlight
· Fungicide
· Soil fertility - Answer-· Fungicide
Spring dead spot in bermudagrass
· Occurs after winter dormancy
· Is worse where winters are mild
· Is not a problem when thatch is left to accumulate
· Is prevented by late fall fertilization - Answer-· Occurs after winter dormancy
What is a major advantage of systemic fungicides for management of turf diseases?
· If applied to one part of the lawn, they spread throughout the entire lawn
· They usually provide broad spectrum activity
· Fungi are less likely to develop resistance to systemic fungicide
· They translocate to protect newly formed tissue - Answer-They translocate to protect
newly formed tissue
To reduce gray leaf spot in St. Augustine grass
· Irrigate early in the morning to give the turf time to dry out completely before evening.
· Irrigate frequently
· Apply extra nitrogen fertilizer weekly during the disease cycle
· Mow infrequently - Answer-Irrigate early in the morning to give the turf time to dry out
completely before evening.
MANAGEMENT FOR CAROLINAS AND
GEORGIA EXAM GUIDE QUESTIONS
AND ANSWERS
Bacillus thuringiensis (Bt)
· Controls Japanese beetles
· Attracts predators to the turf
· Controls caterpillars
· Controls mole crickets - Answer-Controls caterpillars
The milky spore disease bacterium
· Is only effective against Japanese beetle grubs
· Give quick results
· Controls many species of caterpillar
· Makes turf look pale and stunted - Answer-Is only effective against Japanese beetle
grubs
An insecticide applied to control white grubs
· Will work best on the leaf surface
· Should be applied to dry soil
· Should be watered in to reach the soil
· Will work best on a thick thatch layer - Answer-· Should be watered in to reach the soil
Mole crickets
· Are a minor problem in warm-season grasses.
· Are found by monitoring pheromone traps
· Are damaging only in the adult stage
· Have only one generation per year - Answer-· Have only one generation per year
Herbicides are
· One tool for managing weeds
· The best way to control weeds
· Too dangerous to use in most landscapes
· Not really pesticides - Answer-· One tool for managing weeds
Annual weeds
· Are rarely a problem in turfgrass
· Only grow in the winter
· Live from 3 to years
· Grow, flower, go to seed, and die within 12 months - Answer-Grow, flower, go to seed,
and die within 12 months
, Perennial weeds
· Never have seeds
· Have seeds every other year
· Can live indefinitely
· Die immediately when you cut the tops off - Answer-· Can live indefinitely
Dandelions
· Reproduce only from tubers
· Can be controlled only by hand pulling
· Are summer annuals
· Have a sturdy taproot - Answer-· Have a sturdy taproot
Winter annual broadleaf weeds are
· Best controlled in mid to late fall and early winter
· Best controlled in early summer
· Best controlled in late spring
· Best controlled in spring and summer - Answer-· Best controlled in mid to late fall and
early winter
Which of these factors is not a component of the disease pyramid?
· Soil moisture
· Sunlight
· Fungicide
· Soil fertility - Answer-· Fungicide
Spring dead spot in bermudagrass
· Occurs after winter dormancy
· Is worse where winters are mild
· Is not a problem when thatch is left to accumulate
· Is prevented by late fall fertilization - Answer-· Occurs after winter dormancy
What is a major advantage of systemic fungicides for management of turf diseases?
· If applied to one part of the lawn, they spread throughout the entire lawn
· They usually provide broad spectrum activity
· Fungi are less likely to develop resistance to systemic fungicide
· They translocate to protect newly formed tissue - Answer-They translocate to protect
newly formed tissue
To reduce gray leaf spot in St. Augustine grass
· Irrigate early in the morning to give the turf time to dry out completely before evening.
· Irrigate frequently
· Apply extra nitrogen fertilizer weekly during the disease cycle
· Mow infrequently - Answer-Irrigate early in the morning to give the turf time to dry out
completely before evening.
