Download Ornamental and Turf Management: Multiple Choice Questions with Verified Solutions and more Exams Pest Management in PDF only on Docsity!
Ornamental and Turf Multiple Choice
Questions with Verified Solutions
Resistance to pesticides comes from:
a. using the same pesticides over and over
b. applying pesticides at the wrong time of year
c. applying too much pesticide at one time
d. applying pesticides to plants that are too dry โโa
Pesticides in the soil:
a. never go away
b. are eventually broken down by bacteria and fungi
c. have the same effect as fertilizer
d. are harmless to beneficial insects โโb
You should apply a pesticide:
a. based on the calendar date
b. as soon as you see the first pest
c. when pest are abundant enough to cause unacceptable damage
d. every 10 days during the growing season โโc
What hand lens magnification is recommended for insect identification
a. less than 3 power
b. 5 power to 10 power
c. at least 10 power
d. the highest power you can find โโb
In an IPM program you should
a. control al the insects you see
b. produce healthy plants that can resist pests
c. rely totally on natural biological control
d. never use chemical control โโb
Which of these statements are TRUE?
a. It is illegal to use an insecticide on any plant to control insects
b. Different diseases and insects can cause the same symptoms
c. Yellow leaves are always a sign of disease
d. water lightly and often โโc
Which of these statements is FALSE?
a. Thatch should be at least 2 inches thick to keep soil cool
b. Thatch should be no more than 1/2 inch thick
c. Excess thatch keeps water and fertilizer from reaching roots
d. Thatch provides good environment for turf pest โโa
Cool-season cultivars
a. can be mixed to minimize disease
b. are a good choice for the coastal plain
c. prefer humid conditions
d. do well in shady locations โโa
Good soil drainage
a. makes turf grass areas more susceptible to weeds
b. dries out the roots to quickly
c. promotes root disease
d. promotes healthy turf grass โโd
Which of these statements is FALSE
a. Too much fertilizer promotes thatch buildup
b. Too much fertilizer can make grass more susceptible to brown patch and leaf spot
c. Too little fertilizer makes turf susceptible to bare spots and weed invasions
d. Do not fertilize turf grass infected with dollar spot โโd
Which of these methods will NOT help monitor cutworms?
a. soap and water
b. light traps
c. pheromone traps
d. pitfall traps โโd
Apply an insecticide
a. to get total eradication of turf pests
b. when the insect is at its most vulnerable stage
c. at anytime during the pest life cycle
d. use a combination of broadcast and mound treatments โโd
An insecticide applied to control white grubs
a. will work best on the leaf surface
b. should be applied to dry soil
c. should be water in to reach the soil
d. will work best on a thick thatch layer โโc
Mole Crickets
a. are a minor problem in warm-season grasses
b. are found by monitoring pheromone traps
c. are damaging only in the adult stage
d. have only one generation per year โโd
Herbicides are
a. one tool for managing weeds
b. the best way to control weeds
c. too dangerous to use in most landscapes
d. not really pesticides โโa
Annual weeds are
a. rarely a problem in turf grass
b. only grow in the winter
c. live from 3-6 years
d. grow, flower, go to seed, and die within 12 months โโd
Biennial weeds
a. form a rosette of leaves the first year and flower the next
b. grow, flower, go to seed, and die within 12 months
c. live 3 or more years
d. are not a problem in landscapes โโa
Perennial weeds
a. never have seeds
b. have seeds every other year
c. can live indefinitely
d. soil fertility โโc
Spring dead spot in bermudagrass:
a. occurs after winter dormancy
b. is worse where winters are mild
c. is not a problem when thatch is left to accumulate
d. is prevented by late fall fertilization โโa
What is a major disadvantage of systemic fungicides for management of turf diseases?
a. If applied to one part of the lawn, they spread throughout the entire lawn.
b. They usually provide broad spectrum activity.
c. Fungi are less likely to develop resistance to a systemic fungicide.
d. They translocate to protect newly formed tissue. โโd
To reduce gray leaf spot in St. Augustine-grass
a. irrigate early in the morning to give the turf time to dry out completely before evening
b. irrigate frequently
c. apply extra nitrogen fertilizer weekly during the disease cycle
d. mow infrequently โโa
Which of the following cultural practices increases the risk of several turf diseases?
a. infrequent irrigation
b. frequent mowing
c. excessive nitrogen fertilizer
d. excessive air movement โโc
Before installing a new plant in the landscape you should check
a. the hardiness zone for which it is adapted
b. the amount of sunlight it requires
c. soil drainage
d. all of the above โโd
What is not a good way to work with poorly drained planting sites?
a. till and add compost or pine bark
b. add extra fertilizer
c. adjust planting depth to leave part of the root ball above the surface and cover with mulch
d. should be watered in late afternoon โโc
When pruning large branches,
a. leave a 6 in. stub
b. cut as close to trunk as possible
c. make 3 cuts to avoid tearing bark
d. treat the wound with a dressing to reduce exposure to air โโc
Horticultural oils are especially useful for control of which pest?
a. caterpillars
b. plant bugs and stink bugs
c. Mites, aphids and armored scales
d. lace bugs and leaf miners โโc
How many generations do Japanese beetles have each year?
a. one
b. three
c. five
d. Five or more, depending on the weather โโa
When is the best time to use insecticides against soft scale insects?
a. During the adult stage when the scales do not move
b. During the crawler stage
c. During the egg stage
d. After the scales are covered with wax. the wax absorbs pesticide โโb
Which of the following is a piercing sucking insect
a. Southern pine beetle
b. Aphid
c. Bagworm
d. Leafminer โโb
What is the difference between the webs of eastern tent caterpillar and fall webworms
a. the eastern tent caterpillar makes webs in a tree crotch; the fall webworm makes webs over leaves at the ends of branches
Postemergence herbicides
a. prevent weed seed from germinating
b. control most plants after they emerge
c. can damage plants when spray contacts green bark
d. both b and c โโd
Which of these weeds will sprout from rhizomes
a. sandspur
b. woodsorel
c. bermudagrass
d. bull thistle โโc
Which of these weeds is a summer annual grass?
a. dock
b. bermuda grass
c. carolina germanium
d. sandspur โโd
Stunting, small leaves and nutritional deficiency symptoms are all associated with what type of disease
a. leaf spot
b. root rot
c. root parasitic nematodes
d. b and c โโd
Leaf spot diseases
a. are usually worse in wet or humid weather
b. cannot be prevented with fungicides
c. can be managed with overhead irrigation
d. are all caused by fungi โโa
Root parasitic nematodes
a. cause general decline or stunting
b. can be brought to the surface by using soapy water
c. are slender worms about 2 inches long
d. cause more damage under cool temperatures โโa
d. Noisemakers โโa
How effective are the scare devices sold to repel deer
a. they are an effective, long term solution if the noise does not cause other problems
b. They are only effective for a few weeks
c. They are never effective
d. some types are effective, but sirens do not work โโb
How tall mush a fence be to keep deer from jumping over it
a. 8 ft
b. 9 or 10 ft
c. 12 or 13 ft
d. at least 14 feet โโb
What do moles eat?
a. Worms, grubs, slugs and other similar small animals
b. Plant rots and tubers
c. Decomposing leaves and grass
d. All of the above โโa
When should you begin a control program for rabbits?
a. as soon as you see them
b. When you see five or more
c. When the damage exceeds the cost and time of controlling them
d. BY the time you see rabbits it may be too late โโc
You observe narrow, paired grooves that girdle a young tree at the ground line. What kind of pest probably caused this damage?
a. Mole
b. Vole
c. Rabbit
d. Rat โโb
When should equipment be calibrated?
a. when changing the of granular pesticide
b. before using it for the first time
