Trugreen (test practice) Questions with
Detailed Verified 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?
⼀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?
⼀Answer:- proper fertilization and mowing
what should applicators/ operators take into account when
selecting and applying pesticides?
⼀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?
⼀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?
⼀Answer:- Pupa
what can cause a non-infectious disease in ornamental plants?
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⼀Answer:- temperature and moisture extremes
what is a characteristic of infectious plant diseases in crops?
⼀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?
⼀Answer:- By recognizing symptoms such as leaf spot or chlorosis.
what growth stage of weeds is easiest to control with herbicides or
cultivation?
⼀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.
⼀Answer:- winter annuals
to control the majority of perennial weeds what treatment is
usually recommended?
⼀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?
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⼀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?
⼀Answer:- Active ingredient
what term indicates solvents, emulsifiers, and adjuvants in a
pesticide formulation?
⼀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?
⼀Answer:- Selective pesticide
How many lbs. of active ingredient are in a 20 lb. container of
OUTOFHERE 50WP.
⼀Answer:- 10 lbs.
what type of pesticides do not move within the host plant and
require thorough coverage for effective control.
⼀Answer:- Contact pesticide
what characteristics do wettable powders and water dispersing
granules have in common?