CDFA Pest Prevention Plant Regulation Practice Exam

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Which tree species is NOT restricted by peach mosaic exterior quarantine?

  1. apricot

  2. almond

  3. pear

  4. plum

The correct answer is: pear

The correct answer is pear, as it is not restricted by the peach mosaic exterior quarantine. This quarantine specifically targets certain tree species that are known to be hosts for the peach mosaic virus, which can significantly impact the health of peach trees and related species. Peaches, alongside apricots, almonds, and plums, are included in these restrictions because they can be susceptible to the virus and can further contribute to its spread. In contrast, pears do not share the same susceptibility or association with the peach mosaic virus, hence their exclusion from the quarantine regulations. Understanding the relationships between these plant species and the diseases that affect them is crucial for effective pest prevention and plant regulation, ensuring the protection of susceptible crops from harmful pathogens.

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