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Insecticide Resistance

Last Updated: November 29, 2007 | Related resource areas: Cotton

Insecticide Resistance: The evolution of pest species targeted by a pesticide resulting in decreased susceptibility to that chemical. In other words, pests develop a resistance to a chemical through artificial selection; after they are exposed to a pesticide for a prolonged period it no longer kills them as effectively. The most resistant organisms are the ones to survive and pass on their genetic traits to their offspring.


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