5.14: Integrated Pest Management

Question 1

Biological controls

Answer 1

Introduction of natural predator like praying mantis eating crickets

Question 2

Physical controls

Answer 2

A barrier of some sort to protect crops like a plant or weed block or straight up yanking them

Question 3

Chemical controls

Answer 3

Poisons that kill pest species such as DDT, Atrazine

Question 4

Crop Rotation

Answer 4

Switching planted crops per whatever time frame like planting corn for 3 years before switching to broccoli before switching to corn again. Pests won’t accumulate in as large of numbers that would warrant pesticide use.

Question 5

Inter-cropping

Answer 5

Planting a different crop each row; Pests won’t accumulate in as large of numbers that would warrant pesticide use.

Question 6

What harm do chemical pesticides cause?

Answer 6

Target non-target wildlife, water supplies, human health

Question 7

3 benefits of IPM

Answer 7

• Decreases amount of chemical pesticides used
• More targeted
• Minimizes loss of beneficial species

Question 8

3 Drawbacks of IPM

Answer 8

• Complex
• Slow
• Expensive