CDFA Pest Prevention Plant Regulation Practice Exam

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What is the primary target of the sweet potato weevil?

  1. Members of at least 3 or more plant families

  2. Deciduous fruits

  3. Certain plants of the solanum genus

  4. Certain Ipomoea plants

The correct answer is: Certain Ipomoea plants

The sweet potato weevil primarily targets certain Ipomoea plants, specifically sweet potatoes (Ipomoea batatas). This pest is known for its destructive feeding habits, as its larvae tunnel into the tubers, causing significant damage to the crops. The life cycle of the sweet potato weevil is closely associated with the sweet potato as its main food source, making Ipomoea plants—especially those cultivated for their tubers—the primary concern for growers. While sweet potato weevils may occasionally affect other plants in a broader sense, their specific preference and devastating impact are overwhelmingly associated with the sweet potato, distinguishing it from other options that mention various plant families and genera not primarily linked to their lifecycle or feeding behaviors.

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