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pesticide resistance
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pesticide resistance

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Quick Summary

Pesticide resistance occurs when insects or other pests develop the ability to survive exposure to pesticides that were previously effective against them. This phenomenon is a significant challenge in agriculture, as it necessitates the development of new or stronger control methods.1

Several factors contribute to pesticide resistance:
* Evolutionary Adaptation: When pesticides are applied, susceptible individuals in a pest population are killed, while those with natural resistance survive and reproduce. Over time, this leads to a population dominated by resistant individuals.1
* Overuse and Misuse: Repeated and widespread use of the same pesticides can accelerate the development of resistance. This is particularly true for genetically modified (GMO) crops engineered to tolerate specific herbicides, which can lead to an "epidemic of super-weeds" that are resistant to those herbicides.2
* Environmental Impact: The development of resistance can lead to increased pesticide use, which can harm beneficial insects like pollinators, impact wildlife, and potentially pose health risks to humans.12

Integrated pest management (IPM) strategies, which combine various control methods like biological controls, crop rotation, and the use of resistant plant varieties, are crucial for managing pesticide resistance and minimizing environmental harm.134

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
9 Britannica Sources
  1. agricultural technology - Chemical control of insects
  2. insecticide
  3. plant disease - Variable resistance
  4. agricultural technology - Biological controls
  5. Genetically Modified Organisms (GMO) - Con 3: GMO crops can harm the environment through the increased use of toxic herbicides and pesticides.
  6. agricultural technology - Weed control
  7. agricultural technology - Pesticides
  8. agricultural technology - Mechanical and cultural controls
  9. origins of agriculture - Integrated control

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