Land use #7 IPM Flashcards

1
Q

Define

DDT

A

first used as a broad-spectrum insecticide in the 1940s to protect crops & fight typhus/malaria from mosquitoes.

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2
Q

DDT Health Impacts

Long term

A
  • Nervous system damage
  • Endoctrine Disruptors
  • Cancer
  • Birth defects or infertility
  • Damged Kindeys, liver or lungs
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3
Q

Health imapcts of DDT

Short term

A

Rashes/blisters
Nausea, dizziness
Stinging eyes/blindness
Diarrhea/stomach issues

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4
Q

Define

Pesticide Treadmills

A

can cause pests to become resistant to pesticide with overuse

  • pass down traits of resistence
  • artifical pest kill nonresistence leaving resistence
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5
Q

IMP defined

Integrated Pest Management

A

Using a variety of pest control methods that minimize env. disruption and pesticide use

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6
Q

IPM

Steps of IPM

A

Step 1: Identification of pest
Step 2: Develop a plan of action according to adaptations, weather & thresholds
Step 3: Choose the best IPM method
Step 4: Use research & record keeping to evaluate effectiveness of method
Step 5: Continued inspection & monitoring

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7
Q

Biocontrol

A

Bringing in a natural predator or parasite to control the pest

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8
Q

Crop rotation

A

switching crop types every season or year
- Prevents pests from becoming established

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9
Q

Intercropping

A

alternating plant types together in a field
- Push/Pull system = push plants emit repellent chemicals & pull plants emit attractive chemicals

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10
Q

Use of covers

A

screens or traps can keep pests out

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11
Q

Synthetic pesticides

A

commercially made sprays

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12
Q

IMP pros and cons

Pros

A
  • Reduces death & mutation of non-target species
  • Reduces effects on human consumers of produce
  • Reduces contamination of surface & ground water by agricultural runoff with pesticides
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13
Q

IMP pros and cons

Drawbacks

A
  • A control agent can attack non-target species that are beneficial to the ecosystem
  • Can be more time consuming & costly than just crop dusting pesticides
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