Phytosanitary Regulation of Washington Apple Producers under an Apple Maggot Quarantine Program

We investigate how phytosanitary regulations related to apple maggot could affect optimal pest control strategies and profits for apple producers potentially located in apple maggot quarantine areas. We estimate producer profits by an orchard's quarantine status subject to a phytosanitary regulation requiring an additional cold storage period, reflecting the import requirements of China and British Columbia (Canada). Interestingly, we find that the increased cost burden generated by the additional cold storage from quarantine areas has an unintended consequence of raising the number of chemical applications, suggesting a substitution effect between pesticide application and cold storage.
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Hong, Yeon A.; Gallardo, R. Karina; Fan, Xiaoli; Atallah, Shady; Gómez, Miguel I., Phytosanitary Regulation of Washington Apple Producers under an Apple Maggot Quarantine Program, Journal of Agricultural and Resource Economics, Volume 44, Issue 3, September 2019, Pages 645–663

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