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      Question

      “Flared or open” squares, Premature boll opening

      and shedding sypmtoms caused by: 
      A American bollworm Correct Answer Incorrect Answer
      B Pink bollworm Correct Answer Incorrect Answer
      C Tobacco caterpillar Correct Answer Incorrect Answer
      D Spotted bollworm Correct Answer Incorrect Answer
      E Leafhoppers Correct Answer Incorrect Answer

      Solution

      • Spotted bollworm:
      • Presence of bored flower buds (squares), bored bolls with larval frass at the entrance holes
      • Premature dropping of affected bolls
      • Premature opening of damaged bolls, which remain on plants.
      • Presence of badly damaged tissues including lint and seed in damaged bolls.

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