using_pesticides_-_ornamental_and_turf_plant_pest_control_commercial_applicator_manual_20141209000758 Flashcards
Failure to correctly identify a pest can lead to:a. wrongful application of pesticideb. environmental damagec. injury to desirable plantsd. all of the above
d. all of the above (a. wrongful application of pesticide; b. environmental damage c. injury to desirable plants)
_______ _______ are factors that cause pest populations to rise an fall without any influence from humans.a. applied controlsb. chemical controlsc. cultural practicesd. natural factors
d. natural factors
Proper irrigation, fertilization, mowing and pruning are all examples of good ________ _________.a. chemical controlsb. cultural practicesc. pest identificationd. plant selection
b. cultural Practices
Before establishing a turf or ornamental landscape you should consider:a. costb. water requirementsc. shade toleranced. all of the above
d. all of the above (a. cost b. water requirements c. shade tolerance)
There are _______ elements required by plants to grow well.a. threeb. one c. sixteend. fourteen
c. sixteen
To keep from contaminating ___________, you should mix and load pesticides 100 feet from water sources.a. groundwaterb. plantsc. animalsd. atmosphere
a. groundwater
The movement of pesticides through the air after application is referred to as:a. leachingb. driftc. pesticide residued. injury
b. drift
The amount of time required for a pesticide to degrade after application is greatly influenced by:a. temperature, wind and sunlightb. moisture, sunlight and residuec. temperature, moisture and sunlightd. moisture, temperature and smell
c. temperature; moisture and sunlight
Compounds that are added to spray solutions to decrease surface tension and cover the target area better are known as:a. surfacantsb. stickersc. pesticidesd. fertilizers
a, surfactants
These compounds are added to spray solutions to coat the plant and protect it from plant pests.a. surfacantsb. colorantsc. stickersd. pH modifiers
c. stickers
Most insecticides used for aphid control include:a. fumigantsb. stomachc. contact or systemicd. systemic only
c. contact or systemic
The color of the early nymphal stage of the chinch bug is:a. orangeb. bright yellowc. pale whited. black
a. orange
Damaging infestations of spider mites are most likely to occur during what kind of weather?a. cool and wetb. warm and humidc. cool and dryd. hot and dry
d. hot and dry
The egg-laying period for the June bug is:a. 10 daysb. 15 daysc. 30 daysd. more than 40 dasy
c. 30 days
Plant galls can be a result of feeding by:a. aphidsb. mitesc. small waspsd. all of the above
d. all of the above (a. Aphids b. mites c. small wasps)
Webs constructed near terminal ends of branches within which a caterpillar consumes foliage is evidence of:a. cynipid waspsb. fall webwormc. forest tent caterpillard. fall armyworms
b. fall webworm
The number of white grubs per square foot that may cause economic damage is: a. 8 to 10b. 4 to 5c. 1 to 3d. 2
b. 4 to 5
The fall armyworm can be distinguished from other larvae by:a. a white inverted Y on headb. their green colorc. white dots on the backd. number of teeth
a. a white inverted Y on head.
Numerous low-flying moths are generally associated with infections of which of these turfgrass insects?a. mole cricketsb. fall armywormsc. June beetlesd. sod webworms
d. sod webworms
Broadcast applications of insecticide baits, contact insecticides and individual mound treatment are all acceptable control methods for which of these insects pests?a. grasshoppersb. red imported fire antsc. cutwormsd. Texas leaf cutting ant
b. red imported fire ant
To control black spot of rose, a person should use a/an:a. fungicideb. bactericidec. nematicided. insecticide
a. fungicide
Powdery mildew is primarily a problem when the climate is:a. warm and humidb. cool and dryc. warm and dryd. cool and humid
b. cool and dry
Plants affected by root knot nematodes grow poorly because roots:a. rot quicklyb. cannot absorb enough water and nutrientsc. become susceptible to fungal organismsd. mold and tip burn
b. cannot absorb enough water and nutrients.
Oak wilt causes what kind of symptoms on leaves of live oak?a. chlorosis and gall formationb. tip burn and black spotsc. veinal chlorosis and tip burnd. mold and tip burn
c. veinal chlorosis and tip burn
A disease that commonly infects photinia and Indian hawthorn is:a. phytopthora aerial blightb. botrytis gray moldc. downy mildewd. entomosporium leaf spot
d. entomosporium leaf spot.
A turfgrass disease caused by a virus and commonly confused with iron chlorosis is:a. brown patchb. bermudagrass smutc. St. Augustine declined. rust
c. St. Augustine decline
_____ _____ symptoms include rotted leaves easily pulled away from the plant.a. fairy ringb. brown patchc. take-all patchd. dollar spot
b. brown patch
Bermudagrass smut can be controlled by fungicide applications.true or false
false
A common turfgrass disease resulting in leaf blades with light tan lesions and red borders near the edges of the infected area is:a. brown patchb. gray leaf spotc. take-all patchd. dollar spot
d. dollar spot
This disease of bermudagrasses is not a problem in newly established lawns but can infect lawns 3 or 4 years old.a. spring dead spotb. bermudagrass smutc. rustd. fairy ring
a. spring dead spot
Windmillgrass, bermudagrass and dallisgrass are all examples of what type of weeds?a. annual grassesb. annual broadleavesc. sedgesd. perennial grasses
d. perennial grasses
____________ is a cool season grass found in athletic fields, golf courses, home lawns and flower beds across the state.a. crabgrassb. field sandburc. annual bluegrassd. crowfootgrass
c. annual bluegrass
An annual grass that is commonly a problem in newly seeded turf and heavy traffic area is:a. goosegrassb. field sandburc. foxtaild. annual ryegrass
a. goosegrass
This plant has dark green leaves covered with soft hair and cannot be controlled by mowing.a. mouseear chickweedb. henbitc. carolina geraniumd. sowthistle
a. mouseear chickweed
___________ is a low-growing, creeping perennial weed that prefers moist soils.a. dandelionb. yellow woodsorrelc. dichondrad. henbit
c. dichondra
__________ is an annual broadleaf weed that emerges in mid-winter with spiny leaves and yellow flowers.a. chickweedb. sowthistlec. henbitd. prostrate spurge
b. sowthistle
These plants have triangular stems and produce tubers.a. weedsb. grassesc. broadleavesd. nutsedge
d. nutsedge
Herbicides that are applied to control weeds before they emerge and begin to grow are ___________.a. postemergentb. preemergentc. non-selectived. surfacants
b. preemergent
Plants that have a waxy cuticle on the leaf surface will absorb herbicide solutions better than plants without this layer.true or false
false
An example of a grassy weed that is controlled better with a postemergent herbicide is:a. crabgrassb. annual bluegrassc. dallisgrassd. bermudagrass
c. dalligrass
A lawn that needs to be sprayed measures 34 feet by 48 feet in the front and 52 feet by 60 feet in the back. The herbicides you have selected recommends 3.5 ounces per 1,000 square feet. How much herbicide will you need to spray the entire (front and back) yard?a. 5.7 ouncesb. 11.4 ouncesc. 16.6 ouncesd. 22.3 ounces
c. 16.6 ounces
Your sprayer traveled 200 feet in an average time of 36 seconds. On your sprayer the nozzles are spaced 20 inches apart, and the output from one nozzle was 42 ounces in 30 seconds. Calculate the gallons per 1,000 square feet that your sprayer will apply.a. 2.72b. 1.18c. 1.94d. 0.88
b. 1.18
The sprayer you are using applies 20 gallons per acre. the acre that needs to be treated measures 216 by 112 feet. The tank on your sprayer holds 8 gallons. Will you be able to treat the entire area with one full tank?yes or no?
no
Fumigants are different from other chemical formulations because they are _____.a. volatileb. all liquid formulationsc. pure active ingredient with no inertsd. solids, liquids and compressed gasses that only work as gasses
d. solids, liquids and compressed gasses that only work as gasses.
Soil fumigants control only pests present at the time of fumigation.true or false
true
Soil fumigants have residual control activity.true or false
false
What time of year is soil fumigation most effective?a. springb. early summerc. falld. late summer
c. fall
Which is not a factor in effective soil fumigation?a. phytotoxicityb. soil temperaturec. soil moistured. soil texture
a. phytotoxicity
Which type of soil has the most adsorption sites?a. sandb. fine textured clayc. sandy loamd. coarse textured gravelly soil
b.fine textured clay
What is the major reason for fumigation failure?a. improper soil preparationb. compact soilc. improper sealingd. fertilizer application before fumigation
a. improper soil preparation
At what soil moisture conditions do most soil fumigations occur?a. 75-100 percent field capacityb. 25-50 percent field capacityc. 0-25 percent field capacityd. 50-75 percent field capacity
d. 50-75 percent field capacity
What soil temperature range is best for fumigant volatilization?a. 45-80 degrees Fb. 40-80 degrees Fc. 30-60 degrees Fd. 2-16 degrees F
a. 45-80 degrees F
What is the consequence of soils that are too wet on fumigation?a. break down fummigantb. inhibit extensive diffusionc. phytotoxicityd. lack of residual soil activity
b. Inhibit extensive diffusion