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Trugreen (test practice) Questions, Answers, Rationales
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Trugreen (test practice) Questions, Answers, Rationales
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Trugreen (test practice)Study online at https://quizlet.com/_fzlrvs
1. what system is an appropriate prac- integrated pest managements (IPM)
tice to keep populations below the
economic injury level in crops and
below the aesthetic injury level
in non-crops or ornamental planti-
ngs?
2. what cultural control tactic is proper fertilization and mowing
the best defense against invading
weeds to insure a dense, vigorous
stand of turf grass?
3. what should applicators/ operators Are there other non-chemical controls
take into account when selecting available. Has scouting indicated the
and applying pesticides? pest populations is high enough. Is it
the correct time to apply and get con-
trol. (All of the above).
4. what is unique about an insect They undergo 3 life stages
that undergoes incomplete devel- (Egg-Nymph-Adult) where the nymph
opment or (simple metamorphosis) cannot fly and cannot reproduce.
such as a grasshopper?
5. what stage of insect development Pupa
is often called the "resting stage"
because it cannot feed and usually
not very active?
6. what can cause a non-infectious temperature and moisture extremes
disease in ornamental plants?
7. what is a characteristic of infec- Pathogens multiply on or within the
tious plant diseases in crops? host plant and can be transmitted from
one plant to another.
8. How do applicators, operators, By recognizing symptoms such as leaf
plant pathologist and others recog- spot or chlorosis.
nize a plant that is diseased?
9. weeds that are in the seedling stage
, Trugreen (test practice)
Study online at https://quizlet.com/_fzlrvs
what growth stage of weeds is easi-
est to control with herbicides or cul-
tivation?
10. which of the following weeds winter annuals
emerge from seed that germinate
in the fall, overwinter as seedlings,
flower, produce seed and die in the
early summer.
11. to control the majority of perenni- A systemic herbicide applied at early
al weeds what treatment is usually bud to bloom stage or early fall when
recommended? plants are replenishing food supplies
below ground.
12. which of the following conditions There must be a susceptible host and
are not necessary for a plant dis- pathogen, time for disease to devel-
ease to develop in crops? op and a favorable environment. (Dis-
eases do not need an insect vector)
13. what portion of the pesticide for- Active ingredient
mulation is effective against target
pests?
14. what term indicates solvents, emul- insert ingredients
sifiers, and adjuvants in a pesticide
formulation?
15. what type of pesticide would you Selective pesticide
select to control a specific pest with
little or no injury to related organ-
isms such as desirable plants or
beneficial insects?
16. How many lbs. of active ingredient 10 lbs.
are in a 20 lb. container of OUT-
OFHERE 50WP.
17. what type of pesticides do not Contact pesticide
move within the host plant and re-
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