Insecticide Resistance Flashcards
1
Q
Resistance vs tolerance
A
Resistance - genetic and heritable
Tolerance - repeated exposure makes it not effective anymore
2
Q
Mechanisms of resistance
A
Metabolic
- insects break down the toxin and have more enzymes to do so
Physiological resistance
- target site mutation
- thicker cuticle
Behavioural resistance
- move to the underside of the leaf to avoid spray
3
Q
How to manage resistance
A
- use less insecticides
- non chemical controls
- alternate modes of action
- refuge
- application timing
