Trugreen (test practice) Exam with 99 Questions &
Complete Answers.
What system is an appropriate practice to keep populations below the economic injury
level in crops and below the aesthetic injury level in non-crops or ornamental plantings?
- ANS integrated pest managements (IPM)
What cultural control tactic is the best defense against invading weeds to insure a
dense, vigorous stand of turf grass? - ANS proper fertilization and mowing
What should applicators/ operators take into account when selecting and applying
pesticides? - ANS Are there other non-chemical controls available. Has scouting
indicated the pest populations is high enough? Is it the correct time to apply and get
control. (All of the above).
What is unique about an insect that undergoes incomplete development or (simple
metamorphosis) such as a grasshopper? - ANS They undergo 3 life stages (Egg-
Nymph-Adult) where the nymph cannot fly and cannot reproduce.
What stage of insect development is often called the "resting stage" because it cannot
feed and usually not very active? - ANS Pupa
What can cause a non-infectious disease in ornamental plants? - ANS temperature and
moisture extremes
What is a characteristic of infectious plant diseases in crops? - ANS Pathogens multiply
on or within the host plant and can be transmitted from one plant to another.
How do applicators, operators, plant pathologist and others recognize a plant that is
diseased? - ANS By recognizing symptoms such as leaf spot or choruses.
What growth stage of weeds is easiest to control with herbicides or cultivation? - ANS
weeds that are in the seedling stage
Which of the following weeds emerge from seed that germinate in the fall, overwinter as
seedlings, flower, produce seed and die in the early summer. - ANS winter annuals
To control the majority of perennial weeds what treatment is usually recommended? -
ANS A systemic herbicide applied at early bud to bloom stage or early fall when plants
are replenishing food supplies below ground.
Which of the following conditions are not necessary for a plant disease to develop in
crops? - ANS There must be a susceptible host and pathogen, time for disease to
develop and a favorable environment. (Diseases do not need an insect vector)
, What portion of the pesticide formulation is effective against target pests? - ANS Active
ingredient
What term indicates solvents, emulsifiers, and adjuvants in a pesticide formulation? -
ANS insert ingredients
What type of pesticide would you select to control a specific pest with little or no injury to
related organisms such as desirable plants or beneficial insects? - ANS Selective
pesticide
How many lbs. of active ingredient are in a 20 lb. container of OUTOFHERE 50WP. -
ANS 10 lbs.
What type of pesticides do not move within the host plant and require thorough
coverage for effective control. - ANS Contact pesticide
What characteristics do wet table powders and water dispersing granules have in
common? - ANS form a suspension that requires constant agitation and are abrasive to
pumps.
Which of the following statements describing adjuvants is true? - ANS Generally have
little or no pesticide effect
How does a drift control addictive reduce or minimize off target pesticide damage? -
ANS Increases the size of spray droplets.
Why would an applicator add a buffering agent to a tank mix of chemicals? - ANS to
adjust the PH of the carrier
What terminology is used to describe the situation where two or more pesticides can be
safely mixed and applied in combination without unfavorably affecting toxicity, physical,
properties or plant safety? - ANS Compatible
When the thank mixing the following pesticide formulations, which formulation must be
added to the thank first? - ANS Soluble powders. (Also refer to label that is provided
with this exam!!!)
what is an outcome of calendar spraying of broad spectrum insecticides? - ANS
Overuse of insecticides may kill natural predators and parasites and bring out a pest
resurgence
which of the following is not required on the pesticide label for most pesticide products?
- ANS I guarantee the product would work?
what would cause the USEPA to classify a pesticide for "Restricted use" rather than
"General use"? - ANS Harm to the environment or user even if used as directed/
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