Podcast Beta
Questions and Answers
Using a range of pesticides in a repeated sequence can accelerate the evolution of pesticide resistance.
False
Heterozygous individuals will always survive when pesticides are used at a high concentration.
False
Non-target species are not affected by pesticide resistance management strategies.
False
The malaria vector mosquito Anopheles albimanus exhibited higher levels of insecticides-resistance only in non-cotton-growing areas.
Signup and view all the answers
Reducing the frequency of pesticide use can accelerate the evolution of pesticide resistance.
Signup and view all the answers
Using pesticides at a high concentration can guarantee the elimination of pesticide resistance.
Signup and view all the answers
Resistance management strategies are only effective against target species.
Signup and view all the answers
What is a consequence of the development of pesticide-resistant insect strains?
Signup and view all the answers
What can accelerate the evolution of pesticide resistance in insect populations?
Signup and view all the answers
What is a potential ecological consequence of pesticide resistance?
Signup and view all the answers
What is a factor that influences the economic injury level of a pest species?
Signup and view all the answers
What is a goal of integrated pest management strategies?
Signup and view all the answers
What is a consequence of using pesticides in a particular area over a prolonged period?
Signup and view all the answers
Which of the following is a factor that contributes to the development of pesticide resistance in insects?
Signup and view all the answers
What is a potential ecological consequence of pesticide resistance?
Signup and view all the answers
What is a key principle of Integrated Pest Management (IPM) strategies?
Signup and view all the answers
What is the Economic Injury Level (EIL) related to?
Signup and view all the answers
What is a potential ecological consequence of pesticide resistance?
Signup and view all the answers
Why is it important to consider the natural predators of pests in resistance management?
Signup and view all the answers
What is the potential consequence of pesticide resistance on integrated pest management strategies?
Signup and view all the answers
How does the resistance of pests to pesticides impact the economic injury level?
Signup and view all the answers
What is a key consideration in developing effective resistance management strategies?
Signup and view all the answers
Study Notes
Resistance Management of Pesticides
- Strategies for resistance management have been developed to address the problem of pesticide resistance.
- Two key elements of resistance management: • Reducing the frequency of pesticide use to prevent pests from developing resistance over multiple generations. • Using pesticides at high concentrations to kill individuals with resistance genes, which are likely to be present in heterozygous individuals when resistance is rare.
Complications in Resistance Management
- Non-target species can evolve resistance to pesticides, as they receive reduced doses at the ecological periphery of the treatment zone, allowing heterozygotes to survive.
- Example: In Central America, the malaria vector mosquito Anopheles albimanus showed higher levels of insecticide resistance in cotton-growing areas than in non-cotton-growing areas.
Pesticide Resistance in Insects
- Insects have developed resistance to multiple insecticides due to attempts to change pesticides.
- Prolonged use of pesticides in an area has led to the evolution of insect strains resistant to specific chemicals, such as DDT.
- The resistance problem is exacerbated when pests develop resistance while their natural predators do not, allowing pest populations to increase unchecked.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
This quiz covers strategies to manage pesticide resistance, including reducing pesticide usage frequency and using high potency pesticides. Learn about effective resistance management techniques.
