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      Question

      Which stage of Helicoverpa armigera causes the most

      economic damage to cotton crops?  
      A Egg Correct Answer Incorrect Answer
      B Adult Correct Answer Incorrect Answer
      C Larva Correct Answer Incorrect Answer
      D Pupa Correct Answer Incorrect Answer

      Solution

      The larval stage (bollworm) feeds aggressively on cotton bolls and leaves, directly reducing yield and fiber quality.

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