Hot water treatments combined with cold storage as a tool for Ectomyelois ceratoniae mortality and maintenance of Deglet Noor palm date quality

Ben-Amor, Rihab; Dhouibi, M.H.; Aguayo, Encarna

doi:10.1016/j.postharvbio.2015.09.005

Cited by 11 publications

(10 citation statements)

References 49 publications

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“…Usually, an effective cold treatment protocol should meet the demand to kill the pest and minimize the negative effects on host quality at the same time [10,29,34]. The present results confirm that cold treatment did not negatively affect fruit quality.…”

Section: Discussionsupporting

confidence: 80%

“…The pupa and adult stages of tephritid fruit flies may hardly be found in infested fruit, and phytosanitary treatments target the egg and larval stages for disinfestation [13].Research studies have demonstrated that cold disinfestation is an effective approach in controlling Bactrocera zonata (Saunders) in orange [14,15]; Bactrocera invadens (Drew, Tsuruta, and White) (synonym of B. dorsalis) in orange, and "Hass" avocado [15][16][17]; Zeugodacus cucurbitae (Coquillett) (former Bactrocera cucurtitae (Coquillett)) in navel orange [13]; Bactrocera tryoni (Froggatt) in lemon, orange, mandarin, and blueberry [18][19][20]; Ceratitis capitata (Wiedemann) in kiwifruit, litchi, lemon, orange, mandarin, grape, pepper, "Hass" avocado, and navel orange [13,[20][21][22][23][24][25][26]; Ceratitis rosa (Karsch) in "Hass" avocado [26]; Ceratitis cosyra (Walker) in "Hass" avocado [26]; Phthorimaea operculella (Zeller) in potato [27]; and Pseudococcus affinis (Maskell) on Royal Gala Apple [28]. The effective lethal time value for cold disinfestation was dependent on the type of insect and fruit [29]. Furthermore, earlier researches have compared the difference of the tolerance to cold treatment between fruit flies [13,30,31].…”

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confidence: 99%

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The Effects of a Cold Disinfestation on Bactrocera dorsalis Survival and Navel Orange Quality

Fang

FenFen

Gao

et al. 2019

Insects

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Citrus sinensis (L.) Osbeck is an important economic product in South China, but the presence of quarantine pests in this product proposes the potential threat to international trade security. To find a proper phytosanitary cold treatment for Bactrocera dorsalis (Hendel) (Diptera: Tephritidae), commonly called oriental fruit fly, one of the most serious quarantine insects in navel orange, eggs in petri dish and larvae in navel orange fruits were exposed to a 1.7 • C cold chamber for 0-11 days to compare the tolerance to cold treatment. The 2nd instar larva (4 days) is the most tolerant stage, and the estimated time for 99.9968% mortality at the 95% confidence level is 11.3 (9.5, 14.6) days. Then 15 days was selected as the target time for the confirmatory tests, resulting in no survivors from 37,792 treated larvae with the efficacy of 99.9921% mortality at the 95% confidence level. The quality assessments were conducted to compare the effect on the navel orange fruit between cold treatment and the conventional cold storage. Results indicated that the cold treatment did not negatively affect the fruit quality. Therefore, this cold treatment showed potential as a commercial quarantine treatment for navel orange in international trade.Insects 2019, 10, 452 2 of 10 workers on 104,000 ha that produced 1,170,000 tons [9]. Unfortunately, B. dorsalis is a potential pest in the navel orange, threatening the safety of the navel orange export [5].The risk of introducing exotic pests into new areas is rising in the wake of the increasing agricultural trade, and the development of postharvest treatment to control insects in commodities can improve the quarantine security and expedite new trade in agricultural products. The main pest management approaches for eliminating exotic insects from a commodity are applied broadly as chemical and physical treatments. These include fumigants, temperature treatments (heat and cold), irradiation, controlled atmospheres, and combinations of these [10]. Methyl bromide fumigation is the most common approach for controlling exotic pests but is expected to be replaced by physical treatments because of methyl bromide depleting the ozone layer [10]. Physical treatments are typically applied to fresh fruits because these commodities are infested by internally feeding pests, such as tephritid fruit flies, and cold treatment is an effective measure in cold-tolerant commodities [11,12]. The pupa and adult stages of tephritid fruit flies may hardly be found in infested fruit, and phytosanitary treatments target the egg and larval stages for disinfestation [13].Research studies have demonstrated that cold disinfestation is an effective approach in controlling Bactrocera zonata (Saunders) in orange [14,15]; Bactrocera invadens (Drew, Tsuruta, and White) (synonym of B. dorsalis) in orange, and "Hass" avocado [15][16][17]; Zeugodacus cucurbitae (Coquillett) (former Bactrocera cucurtitae (Coquillett)) in navel orange [13]; Bactrocera tryoni (Froggatt) in lemon, orange, mandarin, and blueberry [18][19][20]...

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Section: Discussionsupporting

confidence: 80%

mentioning

confidence: 99%

The Effects of a Cold Disinfestation on Bactrocera dorsalis Survival and Navel Orange Quality

Fang

FenFen

Gao

et al. 2019

Insects

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“…Post‐harvest control of E. ceratoniae commonly relies on the use of synthetic fumigants . Recently, various techniques have been explored as alternatives to chemicals for numerous products and pests . The use of essential oils as pest control agents has attracted much interest due to their insecticidal characteristics .…”

Section: Discussionmentioning

confidence: 99%

Post‐harvest management control of Ectomyelois ceratoniae (Zeller) (Lepidoptera: Pyralidae): new insights through essential oil encapsulation in cyclodextrin

Abada

Haouel-Hamdi

Gharib

et al. 2019

Pest Management Science

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BACKGROUND: Essential oils are reported to be bio-insecticides. However, problems related to their volatility, oxidation and poor water solubility need to be solved before they can be considered as replacement pest control methods. Thus, an appropriate formulation is needed for commercial use. In this work, a new control method based on the use of a powdered cyclodextrin (CD)/1,8-cineole inclusion complex was assessed against larvae and adults of Ectomyelois ceratoniae (Zeller) in comparison with two Rosmarinus officinalis (L.) essential oils, free 1,8-cineole (oils major compound) and a mixture of 50% CD/1,8-cineole inclusion complex and 50% free 1,8-cineole. −1 air, the respective mortalities were 94.12%, 35.29% and 19.61% for solid CD/1,8-cineole complex, Thala and Cap Zbib oils after 37 days of exposure. Moreover, the solid CD/1,8-cineole complex achieved 5% adult emergence versus 68.33% for Cap Zbib and 55% for Thala oils. The half-life of solid CD/1,8-cineole inclusion complex (10.98 days) was considerably longer than that of the mixture (7.53 days) or free 1,8-cineole (3.43 days). CONCLUSION: This work highlights the utility of essential oil encapsulation in CD to overcome restrictions when used to control the date moth E. ceratoniae during storage. RESULTS: Solid CD/1,8-cineole complex was more toxic against E. ceratoniae larvae than the two crude essential oils. At a concentration of 15 L liter

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“…Glucose, fructose, and sucrose contents were measured by ion chromatography (IC, Metrohm 871 Advance Bioscan, Herisau, Switzerland) with a pulsed amperometric detection (PAD) detector, using an anionexchange column (1-150 Metrosep-Carb) and isocratic conditions. e operating conditions reported by Ben-Amor et al [19] for performance liquid chromatography were used, with minor modifications (mobile phase was NaOH 80 mM, at 60 mL/h flow rate). Individual sugars were quantified using their respective standards, and the results were expressed as g•kg −1 of fresh weight.…”

Section: Quality Parametersmentioning

confidence: 99%

“…e extracts were prepared as follows: 1 g of frozen, ground date fruit was mixed with 10 mL methanol-water (1 : 1) and then maintained for 1 h at 200 ×g in darkness inside a polystyrene box filled with ice. Equipment and measurements are reported by Ben-Amor et al [19]. Calibration curves were made for each assay using ascorbic acid (AA) as standard.…”

Section: Quality Parametersmentioning

confidence: 99%

Freezing Treatments for Ectomyelois ceratoniae Mortality and Maintenance of Deglet Noor Palm Date Quality

Ben-Amor

Miguel-Gómez

Habib

et al. 2019

Journal of Food Quality

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Background. Insect infestation caused by Ectomyelois ceratoniae or carob moth is one of the main postharvest problems that can lead to a decrease of the marketable quality of dates. The control of carob moth is a mandatory process for exported fruits, and the main chemical method used to prevent pest diseases of palm date is treatment with methyl bromide. However, its use is being restricted due to direct harmful effects on the environment and indirect effects on humans. Freezing treatments could be physical alternatives to methyl bromide and other chemicals. Three freezing treatments at −18°C (50 h, 77 h, and 125 h) were studied for E. ceratoniae mortality in Deglet Noor date fruits. Results. The results showed that freezing at −18°C led to 100% mortality of all the stages of E. ceratoniae found in naturally infested dates. Fruit quality was examined under a selected sanitizing freezing treatment (50 hours at −18°C). This freezing treatment induced an increase of monosaccharides and a reduction in antioxidant activity (40 to 45%, measured with FRAP and DPPH assays). However, other parameters such as color, amino acids, total phenolic content, and microbial and sensorial quality were not affected by that treatment. All samples remained above the limit of marketability as there was no chilling injury. Conclusion. This treatment can be recommended as a green alternative to chemical treatments to control carob moth while yielding optimum-quality Deglet Noor date fruits that could be exported to developed countries.

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Hot water treatments combined with cold storage as a tool for Ectomyelois ceratoniae mortality and maintenance of Deglet Noor palm date quality

Cited by 11 publications

References 49 publications

The Effects of a Cold Disinfestation on Bactrocera dorsalis Survival and Navel Orange Quality

The Effects of a Cold Disinfestation on Bactrocera dorsalis Survival and Navel Orange Quality

Post‐harvest management control of Ectomyelois ceratoniae (Zeller) (Lepidoptera: Pyralidae): new insights through essential oil encapsulation in cyclodextrin

Freezing Treatments for Ectomyelois ceratoniae Mortality and Maintenance of Deglet Noor Palm Date Quality

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