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      Question

      What is the term used to describe the level of

      population density at which control measures should be implemented to prevent a rising pest population from reaching the economic injury level?
      A Damage boundary (DB) Correct Answer Incorrect Answer
      B Economic threshold level (ETL) Correct Answer Incorrect Answer
      C Economic injury level (EIL) Correct Answer Incorrect Answer
      D General equilibrium position (GEP) Correct Answer Incorrect Answer
      E Pest epidemic threshold (PET) Correct Answer Incorrect Answer

      Solution

      Explanation: The correct answer is B. Economic threshold level (ETL) refers to the population density at which control measures should be applied to prevent pest populations from reaching the economic injury level.

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