New prospects for ethyl formate as a fumigant for the date industry

Low oxygen and/or generally recognised as safe (GRAS)/food additive (FA) treatments in combination with cool storage have the potential to disinfest a range of commodities of various pests This paper reports on research to determine the tolerance of second/third and fifth instar codling moth larvae fifth instar lightbrown apple moth larvae mixed stages of greedy scale and obscure mealybugs and diapausing twospotted mite adults to ultra low oxygen (ULO lt;05 O2) and ULO combined with two GRAS/ FA compounds ethyl acetate and ethyl formate ULO alone did not consistently enhance mortality of these pests compared with air cool storage However addition of 30005000 ppm of ethyl acetate or ethyl formate reduced the time taken to achieve 99 mortality from weeks or months to between 8 h and 5 days depending on the pest

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The potential of ethyl formate carbon dioxide to control a range of horticultural pests

Griffin¹,

Jamieson²,

Chhagan³

et al. 2013

NZPP

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Ethyl formate (EF) is a generally recognised as safe (GRAS) compound that can be applied as a fumigant to disinfest fresh produce This paper reports initial research to determine the dose responses of various pests to ethyl formatecarbon dioxide treatment during 1 2 3 and 4h treatments at ambient temperatures between 18 and 23C Thrips (mixtures of Thrips tabaci and Frankliniella occidentalis) on lupin flowers obscure mealybugs (Pseudococcus viburni) on potatoes and greedy scale (Hemiberlesia rapax) on potatoes were more susceptible than either lightbrown apple moth (Epiphyas postvittana) eggs on plastic and fifth instar larvae on apples or codling moth (Cydia pomonella) second/ third instars and fifth instars on apples Further efficacy studies are warranted to investigate the commercial viability of EFCO2 treatment of fresh produce against other pests effects on fruit quality and commercial application logistics

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New prospects for ethyl formate as a fumigant for the date industry

Cited by 4 publications

References 3 publications

Insect Pest Management of Oilseed Crops, Tree Nuts and Dried Fruits

Insect Pest Management of Oilseed Crops, Tree Nuts and Dried Fruits

The potential of using low oxygen and ethyl formate or ethyl acetate to disinfest fresh fruit in storage

The potential of ethyl formate carbon dioxide to control a range of horticultural pests

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