Trugreen (Test Practice)
Questions and Complete
Solutions Graded A+
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? - Answer: integrated pest
managements (IPM)
what cultural control tactic is the best defense against invading weeds to insure a dense, vigorous stand
of turf grass? - Answer: proper fertilization and mowing
what should applicators/ operators take into account when selecting and applying pesticides? - Answer:
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? - Answer: 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? - Answer: Pupa
what can cause a non-infectious disease in ornamental plants? - Answer: temperature and moisture
extremes
what is a characteristic of infectious plant diseases in crops? - Answer: 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? - Answer:
By recognizing symptoms such as leaf spot or chlorosis.
, what growth stage of weeds is easiest to control with herbicides or cultivation? - Answer: 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. - Answer: winter annuals
to control the majority of perennial weeds what treatment is usually recommended? - Answer: 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? - Answer:
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? - Answer: Active ingredient
what term indicates solvents, emulsifiers, and adjuvants in a pesticide formulation? - Answer: 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? - Answer: Selective pesticide
How many lbs. of active ingredient are in a 20 lb. container of OUTOFHERE 50WP. - Answer: 10 lbs.
what type of pesticides do not move within the host plant and require thorough coverage for effective
control. - Answer: Contact pesticide
what characteristics do wettable powders and water dispersing granules have in common? - Answer:
form a suspension that requires constant agitation and are abrasive to pumps.
which of the following statements describing adjuvants is true? - Answer: Generally have little or no
pesticidal effect
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