CDFA Pest Prevention Plant Regulation Practice Exam

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Which of the following is NOT restricted under the Colorado potato beetle quarantine?

Tomato plants
Potato tubers free from soil
Pepper plants
Sweet potato slips

The correct answer is: Potato tubers free from soil

The correct answer is B, potato tubers free from soil. Under the Colorado potato beetle quarantine regulations, specific items are indeed subject to restrictions to prevent the spread of the pest, which can significantly affect potato crops. However, potato tubers that are free from soil are not restricted. This is because soil can harbor pests and pathogens, so having tubers that are clean and free of soil mitigates the risk of introducing the Colorado potato beetle to new areas. The focus of the quarantine is to control the movement of plants and plant products that are more likely to carry pests. Tomato plants, pepper plants, and sweet potato slips are all associated with the host range of the Colorado potato beetle, making their movement more regulated and potentially restricted to prevent the spread of the pest.