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Ornamental and Turf Management: Multiple Choice Questions with Verified Solutions, Exams of Pest Management

A series of multiple-choice questions covering various aspects of ornamental and turf management. It includes topics such as pesticide resistance, soil health, pest identification, integrated pest management (ipm), turfgrass health, weed control, and disease management. Verified solutions for each question, making it a valuable resource for students and professionals in the field.

Typology: Exams

2024/2025

Available from 03/25/2025

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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 โœ”โœ”a
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 โœ”โœ”b
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
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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 โœ”โœ”a

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 โœ”โœ”b

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 โœ”โœ”c

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 โœ”โœ”b

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 โœ”โœ”b

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 โœ”โœ”c

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 โœ”โœ”a

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 โœ”โœ”a

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 โœ”โœ”d

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 โœ”โœ”d

Which of these methods will NOT help monitor cutworms?

a. soap and water

b. light traps

c. pheromone traps

d. pitfall traps โœ”โœ”d

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 โœ”โœ”d

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 โœ”โœ”c

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 โœ”โœ”d

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 โœ”โœ”a

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 โœ”โœ”d

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 โœ”โœ”a

Perennial weeds

a. never have seeds

b. have seeds every other year

c. can live indefinitely

d. soil fertility โœ”โœ”c

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 โœ”โœ”a

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. โœ”โœ”d

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 โœ”โœ”a

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 โœ”โœ”c

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 โœ”โœ”d

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 โœ”โœ”c

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 โœ”โœ”c

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 โœ”โœ”c

How many generations do Japanese beetles have each year?

a. one

b. three

c. five

d. Five or more, depending on the weather โœ”โœ”a

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 โœ”โœ”b

Which of the following is a piercing sucking insect

a. Southern pine beetle

b. Aphid

c. Bagworm

d. Leafminer โœ”โœ”b

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 โœ”โœ”d

Which of these weeds will sprout from rhizomes

a. sandspur

b. woodsorel

c. bermudagrass

d. bull thistle โœ”โœ”c

Which of these weeds is a summer annual grass?

a. dock

b. bermuda grass

c. carolina germanium

d. sandspur โœ”โœ”d

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 โœ”โœ”d

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 โœ”โœ”a

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 โœ”โœ”a

d. Noisemakers โœ”โœ”a

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 โœ”โœ”b

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 โœ”โœ”b

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 โœ”โœ”a

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 โœ”โœ”c

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 โœ”โœ”b

When should equipment be calibrated?

a. when changing the of granular pesticide

b. before using it for the first time