Hot-Water Immersion Quarantine Treatment for Guavas Infested with Caribbean Fruit Fly (Diptera: Tephritidae)

Authors: GOULD, WALTER P.; SHARP, JENNIFER L.

Source: Journal of Economic Entomology, Volume 85, Number 4, August 1992 , pp. 1235-1239(5)

Publisher: Entomological Society of America

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Abstract:

Hot-water immersion was tested as a potential commodity treatment for guavas infested with third instars of the Caribbean fruit fly, Anastrepha suspensa (Loew). Infested guavas were immersed in water at 46.1 ± 0.5°C for various time periods. Probit 9 (99.9968%) mortality was estimated to occur at 32.7 min. A large-scale test with 2,450 guavas containing an estimated 181,556 larvae treated for 35 min at 46.1 ± 0.5°C produced no survivors. Hydrocooling guavas immediately after hot-water treatment until fruit center temperatures returned to 24 ± 2°C did not significantly affect mortality. Guavas tolerated 35 min at 46.1 ± 0.5°C with only slight reduction in quality. Treated guavas held at 10 ± O.soC maintained acceptable quality 7 d longer than guavas held at 24 ± 2°C.

Document Type: Research Article

Publication date: August 1, 1992

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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