Postharvest quarantine disinfestation of zucchinis and rockmelons against Bactrocera cucumis (French) using insecticide dips of fenthion or dimethoate
- 1 January 1992
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Experimental Agriculture
- Vol. 32 (2) , 241-244
- https://doi.org/10.1071/ea9920241
Abstract
The disinfestation efficacy of a 1-min dip in fenthion or dimethoate (400 mg/L in water) was tested against eggs and larvae of the cucumber fly, Bactrocera cucumis, in zucchinis and rockmelons. Each trial involved >30 000 individuals. Fenthion gave 100% mortality of eggs and third instar instar larvae in rockmelons, 100% mortality of eggs in zucchinis, and >99.99% mortality of third instar larvae in zucchinis. Dimethoate gave 100% mortality of eggs in zucchinis, >99.98% mortality of third instar larvae in zucchinis, and >99.99% mortality of eggs and larvae in rockmelons. Residues of fenthion and dimethoate in zucchinis or rockmelons were below the Australian maximum residue limit of 2 mg/kg on the day of treatment. There were no adverse effects on taste.Keywords
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