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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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