Impact of Oriental Fruit Fly Postharvest Treatments on Avocado

摘要: The detection in August 2015 of the Oriental Fruit Fly (Bactrocera dorsalis Hendel, Diptera: Tephritidae) Redland area Miami-Dade County, Florida triggered a quarantine that restricted movement fruit fly host material an approximately 99-square mile (256-square kilometer) area. affected 4000 acres bearing commercial avocado groves. Approved post-harvest treatments for B. and included USDA Treatment Manual were acceptable immediate certification fresh avocados from However, it was unknown if would meet quality standards (US combination grade) after treatments. Three combine methyl bromide fumigation cold storage periods tested on six varieties Florida. differed durations treatment periods. A seven day transit period at 8.3°C (47°F) added to account time when leaves packing house until is sold by retailers. None had met US grade period. Treated exhibited both internal (pulp) external (skin) damage. Damage attributed component treatment, but tolerated portion treatment. ranged 26% - 100%. In general, longer worse effect. need alternative discussed.