Land use #7 IPM Flashcards
Define
DDT
first used as a broad-spectrum insecticide in the 1940s to protect crops & fight typhus/malaria from mosquitoes.
DDT Health Impacts
Long term
- Nervous system damage
- Endoctrine Disruptors
- Cancer
- Birth defects or infertility
- Damged Kindeys, liver or lungs
Health imapcts of DDT
Short term
Rashes/blisters
Nausea, dizziness
Stinging eyes/blindness
Diarrhea/stomach issues
Define
Pesticide Treadmills
can cause pests to become resistant to pesticide with overuse
- pass down traits of resistence
- artifical pest kill nonresistence leaving resistence
IMP defined
Integrated Pest Management
Using a variety of pest control methods that minimize env. disruption and pesticide use
IPM
Steps of IPM
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
Biocontrol
Bringing in a natural predator or parasite to control the pest
Crop rotation
switching crop types every season or year
- Prevents pests from becoming established
Intercropping
alternating plant types together in a field
- Push/Pull system = push plants emit repellent chemicals & pull plants emit attractive chemicals
Use of covers
screens or traps can keep pests out
Synthetic pesticides
commercially made sprays
IMP pros and cons
Pros
- 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
IMP pros and cons
Drawbacks
- 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
