Efficacy of vaporised ethyl formate/carbon dioxide formulation against stored‐grain insects: effect of fumigant concentration, exposure time and two grain temperatures

Damcevski, Katherine; Dojchinov, Greg; Woodman, James D.; Haritos, Victoria S.

doi:10.1002/ps.1895

Cited by 21 publications

(11 citation statements)

References 19 publications

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“…The bulk sample, which was observed 7 days after fumigation were also free from living insects indicating 100% mortality of pests exposed to Vapormate ® . These mortality records under different dose / time regimes found to be similar to the observations reported earlier by Damcevski et al, (2003) and Damcevski et al, (2010).…”

Section: Fumigation Of Rice and Maizesupporting

confidence: 91%

“…The EF and CO 2 concentrations as detected by the EF monitor was marginally lower than the expected range from 6h after treatment, in spite of no gas leakage detected outside the container. This could be due to the absorbance of the fumigants by the rice and maize grains that occupied > 60% of the container volume (Ryan and Bishop, 2003;Damcevski et al, 2003;Damcevski et al, 2010) (Table 7).…”

Section: Fumigation Of Rice and Maizementioning

confidence: 99%

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Vapormate® as a fumigant for the control of mealybugs in pineapple and pests of stored rice and maize

Warshamana¹,

Jayalatharachchi²,

Wijesinghe³

et al. 2016

Trop Agric Res & Ext

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Experiments were carried out at the National Plant Quarantine Service at Katunayake and at the Food Research Unit at Gannoruwa, Peradeniya, Sri Lanka to evaluate the efficacy of Vapormate ® (Ethyl formate 16.3% w/w in liquid carbon dioxide 83.7% w/w), against mealybugs in pineapples [Ananas comosus (L.) Merr.] and stored grain pests of rice (Oryza sativa L.) and maize (Zea mays L.). Vapormate ® is an eco-friendly safer alternative for Methyl Bromide, and accepted worldwide for quarantine and non-quarantine treatment of food items, packaged and stored foods and processing equipment. Fumigation standards recommended by the manufacturer for pineapples (4h exposure of 360g Vapormate ® /m 3 ) resulted 100% mortality in mealybugs, (Dysmicoccus brevipes), without deteriorating the organoleptic and physicochemical properties of the fruits. The recommended fumigation standards by the manufacturer for stored grains (24h exposure of 420 g Vapormate ® /m 3 ) found to be highly effective in controlling both larvae and adults of stored grain pests of rice and maize namely, maize weevil (Sitophilus zeamais), rice weevil (Sitophilus oryzae), red flour beetle (Tribolium castaneum), confused flour beetle (Tribolium confusum) and rice moth (Corcyra cephalonica). Therefore, Vapormate ® can be recommended for pre-shipment fumigation of pineapples and for pre-entry and non-quarantine treatment of stored rice and maize in Sri Lanka as recommended by the manufacturer.

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Section: Fumigation Of Rice and Maizesupporting

confidence: 91%

Section: Fumigation Of Rice and Maizementioning

confidence: 99%

Vapormate® as a fumigant for the control of mealybugs in pineapple and pests of stored rice and maize

Warshamana¹,

Jayalatharachchi²,

Wijesinghe³

et al. 2016

Trop Agric Res & Ext

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“…After 5 days of exposure, the Ct products were continually increased to achieve 680, 820, 860 and 1150 mg h L −1 in the canola (at a dosage of 40 mg L −1 ), barley, oat and wheat silos respectively. In comparison, when EF is used alone, the Ct products for all the life stages of R. dominica, T. castaneum, T. variabile and S. oryzae were at least 1250, 1750, 1900 and 2200 mg h L −1 respectively 13, 24. That is, MITC appears to have a significent synergistic effect when used with EF against pests.…”

Section: Resultsmentioning

confidence: 91%

Ethyl formate plus methyl isothiocyanate—a potential liquid fumigant for stored grains

Ren

Lee

Padovan

et al. 2011

Pest Management Science

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“…Hence, it is combined with liquid carbon dioxide to increase penetrability and to avoid flaming during fumigation. Damcevski, Dojchinov, Woodman, and Haritos (2010) revealed that the EF‐CO 2 mixture gives 92% mortality for all stages of S. oryzae in as little as 1 hr of exposure at 193 g/m 3 and mid‐age pupal stage of insects was the most tolerant. Ryan and De Lima (2014) stated that EF concentration of 70 g/m 3 for 24 hr in insect bioassay treatments could control all stages of Tribolium , Rhyzopertha , and psocids in cereal grains.…”

Section: Existing Disinfestation Techniquesmentioning

confidence: 99%

Disinfestation techniques for major cereals: A status report

Paul

Radhakrishnan

Saravanan

et al. 2020

Comp Rev Food Sci Food Safe

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Management of stored product insects is a major concern and widely researched topic in the food and grain processing and storage industry. In the scenario of estimated utilization of produces exceeding the production, postharvest losses should be properly controlled to feed the growing population. The prevailing disinfestation techniques are forced to meet regulatory standards and market demands. The resistance developed by insects, environmental concerns, and occupational hazards lead to the vanishing of many chemicals used in insect and pest management programs. Some of the major disinfestation techniques such as the use of chemical fumigants, ozone, irradiation, dielectric heating, extreme temperature treatments, and bio rational approaches are discussed, particularly on the storage of cereal grains and its products, as they contribute to a significant proportion of food consumed worldwide. Newer techniques such as nonthermal plasma and metabolic stress disinfestation and decontamination for stored pest control are developed and evaluated in different parts of the world. The knowledge about the mode of action of these disinfestation techniques is important to avoid the cross-resistance and multiple resistance developed by insects with frequently used techniques. Various alternatives to conventional fumigants are discussed in this review as there is a growing demand for toxic-free, environment-friendly, and, at the same time, efficient techniques.

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Efficacy of vaporised ethyl formate/carbon dioxide formulation against stored‐grain insects: effect of fumigant concentration, exposure time and two grain temperatures

Abstract: Ethyl formate/CO(2) formulation is highly effective against stored-grain insects over a range of concentrations and exposure times. Efficacious fumigations were conducted in as little as 1 h, and a strongly phosphine-resistant R. dominica strain was readily controlled with the fumigant.

Cited by 21 publications

References 19 publications

Vapormate® as a fumigant for the control of mealybugs in pineapple and pests of stored rice and maize

Vapormate® as a fumigant for the control of mealybugs in pineapple and pests of stored rice and maize

Ethyl formate plus methyl isothiocyanate—a potential liquid fumigant for stored grains

Disinfestation techniques for major cereals: A status report

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