Phytosanitary irradiation treatment of the aerial root mealybug, Pseudococcus baliteus (Hemiptera : Pseudococcidae)
© The Author(s) 2023. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com..
The aerial root mealybug, Pseudococcus baliteus Lit (Hemiptera: Pseudococcidae), is an important invasive and quarantine pest that poses a potential threat to fruits, vegetables, and ornamental plants. As a result, phytosanitary treatments are necessary to ensure the commodities of international trade are free from these pests. To determine the minimum absorbed dose required for phytosanitary irradiation (PI) application, irradiation dose-response and large-scale confirmatory tests were conducted. Eggs that were 2, 4, and 6 days old and late gravid females (containing 0-day-old eggs) of P. baliteus were X-ray irradiated with doses of 10, 20, 40, 60, 80, 100, and 120 Gray (Gy). The efficacy of preventing egg-hatching (mortality) was compared using two-way ANOVA, 95% confidence interval overlapping and lethal dose ratio test in probit analysis. The radiotolerance sequence of mealybugs egg was found to be 0 < 2 ≈ 4 < 6-day-old eggs, and their estimated LD99.9968 values with 95% confidence interval were 132.0 (118.9-149.5), 137.6 (125.2-153.7), 145.5 (134.5-159.1), and 157.4 (144.6-173.6) Gy, respectively. Subsequently, target doses of 135 and 145 Gy were used in the confirmatory gamma radiation treatments. No F1 generation neonates developed from a total of 47,316 late females irradiated at the measured dose of 107.7-182.5 Gy, resulting in the treatment efficiency of 99.9937% at the 95% confidence level. Therefore, the highest dose of 183 Gy measured in the confirmatory tests is recommended as the minimum absorbed dose in PI treatment of P. baliteus for establishing national and international standards.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:116 |
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| Enthalten in: |
Journal of economic entomology - 116(2023), 5 vom: 10. Okt., Seite 1567-1574 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhao, Qing-Ying [VerfasserIn] |
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| Links: |
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| Themen: |
Invasive species |
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| Anmerkungen: |
Date Completed 12.10.2023 Date Revised 12.10.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/jee/toad170 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Zhao, Qing-Ying |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Phytosanitary irradiation treatment of the aerial root mealybug, Pseudococcus baliteus (Hemiptera |b Pseudococcidae) |
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| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com. | ||
| 520 | |a The aerial root mealybug, Pseudococcus baliteus Lit (Hemiptera: Pseudococcidae), is an important invasive and quarantine pest that poses a potential threat to fruits, vegetables, and ornamental plants. As a result, phytosanitary treatments are necessary to ensure the commodities of international trade are free from these pests. To determine the minimum absorbed dose required for phytosanitary irradiation (PI) application, irradiation dose-response and large-scale confirmatory tests were conducted. Eggs that were 2, 4, and 6 days old and late gravid females (containing 0-day-old eggs) of P. baliteus were X-ray irradiated with doses of 10, 20, 40, 60, 80, 100, and 120 Gray (Gy). The efficacy of preventing egg-hatching (mortality) was compared using two-way ANOVA, 95% confidence interval overlapping and lethal dose ratio test in probit analysis. The radiotolerance sequence of mealybugs egg was found to be 0 < 2 ≈ 4 < 6-day-old eggs, and their estimated LD99.9968 values with 95% confidence interval were 132.0 (118.9-149.5), 137.6 (125.2-153.7), 145.5 (134.5-159.1), and 157.4 (144.6-173.6) Gy, respectively. Subsequently, target doses of 135 and 145 Gy were used in the confirmatory gamma radiation treatments. No F1 generation neonates developed from a total of 47,316 late females irradiated at the measured dose of 107.7-182.5 Gy, resulting in the treatment efficiency of 99.9937% at the 95% confidence level. Therefore, the highest dose of 183 Gy measured in the confirmatory tests is recommended as the minimum absorbed dose in PI treatment of P. baliteus for establishing national and international standards | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a invasive species | |
| 650 | 4 | |a quarantine | |
| 650 | 4 | |a radiation biology | |
| 700 | 1 | |a Ma, Fu-Huan |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhi-Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Zi-Jiao |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Yong Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhan, Guo-Ping |e verfasserin |4 aut | |
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