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Dacus dorsalis: Fumigation of Papayas with Ethylene Dibromide

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In the fumigation of oriental fruit fly infested papayas after hot water treatment at 46.1°C for 20 min, a change of loading of the 9.8-m3 fumigation chamber with wooden field lugs from 75–80% of the chamber volume required an increase of the dose of ethylene dibromide from 8–10 g/m3 for 2 h at fruit temperatures of 24.7°–26.7°–26.7°C to compensate for increased adsorption of the fumigant on the lugs. At 8 g/m3, 13 pupae survived from an estimated 72,441 eggs and larvae in 428 fruits, but none survived from 124,354 eggs and larvae in 653 fruits at 10 g/m3.

Document Type: Research Article

Publication date: February 1, 1979

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  • 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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