Gamma Radiation as a Potential Phytosanitary Squash Treatment for the Control of Anastrepha grandis (Macquart)  (Diptera: Tephritidae)

Baldo, Fernando Berton; Villavicencio, Anna L.C.H.; Schmidt, Flávio Luís; Raga, Adalton

doi:10.9734/arrb/2021/v36i430360

Cited by 3 publications

(3 citation statements)

References 1 publication

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“…Medfly eggs were collected from voile cloth (which serves as an oviposition surface) located at the wide sides of the rearing cages. The eggcollecting apparatus used for A. fraterculus was described by Baldo et al [16]. We added a control (without immersion in the water bath) for each temperature.…”

Section: Hydrothermal Treatment Against C Capitata and A Fraterculus ...mentioning

confidence: 99%

“…Fruit were submitted to the evaluation of skin and pulp texture, skin coloration, titratable total acidity (TA), pH, and total soluble solids (TSS). The methodology for the analysis was described by Baldo et al [16]. Maximum forces at the point of penetration on skin and pulp (N) were used as the firmness value, as well as the penetration distance reached at the maximum force (mm).…”

Section: Physicochemical Assaysmentioning

confidence: 99%

“…The lethal dose varies according to the tephritid species. Instead of killing the eggs or larvae in the fruit, the quarantine treatment should provide quarantine security by preventing the emergence of adults [15,16,17].…”

Section: Introductionmentioning

confidence: 99%

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Development of a Hydrothermal Treatment to Control Fruit Flies (Diptera: Tephritidae) and Maintain the Quality of ‘Fuyu’ Persimmons

Oliveira,

Schmidt,

Raga

2023

JEAI

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Because of fruit fly incidence, importing countries impose phytosanitary barriers to prevent the entry and spread of infested fruits. When fruits are not grown in fruit fly-free areas, some countries require quarantine treatments for fruit disinfestation before or during shipping. The objective of this study was to evaluate the use of a hydrothermal treatment as a quarantine treatment for ‘Fuyu’ persimmons infested with two fruit fly species to maintain fruit quality. Hot water treatment (HWT) was applied to eggs and third-instar larvae of Ceratitis capitata and Anastrepha fraterculus in vitro at 42º, 44º, 46º, 48º, and 50 ºC for 20, 30, 40, 50, 60, and 90 min. Persimmon fruit infested by C. capitata and A. fraterculus eggs and third-instar larvae were subjected to 44 ºC for 60 and 90 min, 46 °C for 20 and 30 min; and 48 °C for 20 min. Untreated infested fruits were used to estimate the rate of fruit fly infestation. Pulp firmness, skin and pulp colors, titratable acidity, pH, and total soluble solids were measured to evaluate the effect of HWT on fruit quality. The increase in temperature and immersion time decreased the pupation and emergence of adults of C. capitata and A. fraterculus in vitro. C. capitata eggs treated in vitro at temperatures ≥ 46 ºC for 30 min did not produce pupae. A. fraterculus eggs treated in vitro at 46 ºC for 20 min exhibited no larval hatching. No pupae were obtained from third-instar larvae of both fruit fly species treated at 44 ºC for 60 min. Infested ‘Fuyu’ persimmons treated at 44 ºC for 90 min did not exhibit the emergence of adults of C. capitata or A. fraterculus. Except for pH, in general, ‘Fuyu’ persimmons subjected to HWT demonstrated no alterations of skin or pulp texture, skin coloration, titratable total acidity, or total soluble solids. The results suggest that HWT is a potential quarantine treatment for the export of ‘Fuyu’ persimmons.

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Section: Hydrothermal Treatment Against C Capitata and A Fraterculus ...mentioning

confidence: 99%

Section: Physicochemical Assaysmentioning

confidence: 99%

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Development of a Hydrothermal Treatment to Control Fruit Flies (Diptera: Tephritidae) and Maintain the Quality of ‘Fuyu’ Persimmons

Oliveira,

Schmidt,

Raga

2023

JEAI

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Irradiation: A tool for the sustainability of fruit and vegetable supply chain-Advancements and future trends

Chaudhary,

Kumar,

Kumar

et al. 2024

Radiation Physics and Chemistry

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Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)

Baldo

Raga

2021

RCHE

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There are risks involved in the production and exportation of fruit fly hosts due to the possible spread of tephritid pests during distribution. Anastrepha grandis attacks cucurbit fruits and is considered an A1 quarantine pest in many countries. The objective of this study was to evaluate the effect of hot water treatment on the eggs and larvae of A. grandis in vitro, and on ‘Atlas’ squash (Cucurbita moschata). The eggs and third-instar larvae of A. grandis were exposed to hot water at temperatures of 42.0, 44.0, 46.0, 46.5, 47.0, 47.5, 48.0, 49.0 and 50.0 (± 0.5) °C for durations of 0 (control), 10, 20, 30 and 60 minutes. Water temperatures of at least 44 °C affected the in vitro larval eclosion of A. grandis during all exposure times. No adults were obtained when in vitro A. grandis larvae were treated at 49 °C and 50 °C at all exposure times and, 48 °C for 30 and 60 minutes. No adults were obtained when squashes infested with A. grandis eggs or larvae were treated at temperatures of 49 °C and 50 °C during any exposure time, as well as subjected to 48 °C for 20 minutes. Anastrepha grandis larvae were slightly more susceptible to hydrothermal treatment than eggs in squashes. Hot water treatment applies at a temperature of 48 °C for 20 minutes is an effective phytosanitary treatment for squashes cv. Atlas infested with eggs and larvae of A. grandis.

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Gamma Radiation as a Potential Phytosanitary Squash Treatment for the Control of Anastrepha grandis (Macquart) (Diptera: Tephritidae)

Cited by 3 publications

References 1 publication

Development of a Hydrothermal Treatment to Control Fruit Flies (Diptera: Tephritidae) and Maintain the Quality of ‘Fuyu’ Persimmons

Development of a Hydrothermal Treatment to Control Fruit Flies (Diptera: Tephritidae) and Maintain the Quality of ‘Fuyu’ Persimmons

Irradiation: A tool for the sustainability of fruit and vegetable supply chain-Advancements and future trends

Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)

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