Pest Management

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austin55
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Last updated: January 9, 2026
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First submittedJanuary 9, 2026
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1. Mites have _____ legs.
0 to 8
18
6
12
2. Which of the following is important in many disease management programs?
No-till
Day length
Crop rotation
Spore searches
3. If insects are clumped in specific parts of the field, _____ samples should be taken.
Random
Systematic
Edge effect
Grid
4. Which of the following does NOT encourage pesticide pesticide resistance to develop?
Alternating pesticides with different modes of action
Repeated use of pesticides with the same mode of action
Repeated use of high pesticide rates
Repeated use of a single pesticide
5. Which of the following characteristics is used to identify broadleaf weed seedlings?
Ligules
Pubescent collar
Auricles
Cotyledons
6. Which of the following diagnostic tools fails to show the variability in pest characteristics?
Digital camera
Dichotomous keys
Hand lens
Picture reference
7. _____ is an important way pests are transported to host plants.
Snow
Ice
Wind
Fog
8. Which of the following is LEAST helpful in identifying a pest?
Symptoms and patterns of damage
Crop
Pest characteritics
Soil series
9. Pesticides should NOT be stored in a _____ building.
Ventilated
Lighted
Unlocked
Heated
10. Which of the following increases the potential for non-target crop injury?
Cool weather
Aerial application
Low boom height
Low pressure spray
11. _____ must provide assistance to workers who have been poisoned by a pesticide under Worker Protection Standards.
Employers
Co-workers
Farmers
Spouses
12. A pest is an organism that _____ another organism.
Damages
Competes with
All of the above
Eats
13. Which would you do first if a pesticide spill occurs?
Control the spill
Contain the spill
Call the emergency coordinator
Clean up the spill
14. A quarantine is an example of which pest management strategy?
Suppression
Prevention
Avoidance
Monitoring
15. An insecticide costs $10 per acre. The current value of the crop is $2.50/bushel, the lost crop yield due to each insect invasion is 10% of yield and the yield before the insect invasion was 100 bushels/acre. How much will per acre income increase with one treatment of the insecticide as compared to no treatment?
$5
$10
$20
$15
16. When using proper pest monitoring procedures _____.
Need for treatment does not consider economics
Treatments are usually scheduled based on time intervals and not pest levels
Environmental damage is increased
Treatments are based on pest levels and economics
17. Which of the following insecticides are most persistent in soils?
Carbamates
Organophosphates
Pyrethroids
Chelates
18. Which of the following is LEAST LIKELY to be used to control a pest?
Subsoiling
Fertilizer application
Harvest date
Planting date
19. Soil for a nematode analysis should be _____ before shipping.
Desiccated
Aerated
Dried
Kept cool
20. Which of the following water quality parameters can impact herbicide efficacy?
Nematode content
Storage time
pH
Odor
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