Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat
The granary weevil, <i>Sitophilus granarius</i> (L.), is considered a serious pest in stored grain worldwide. As residual-based protection possibilities become scarcer, the development of eco-friendly control technologies that can be implemented in practice is becoming urgent. In this sp...
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| Format: | Article |
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MDPI AG
2023-02-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/13/2/597 |
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| author | Sándor Keszthelyi Helga Lukács Szilvia Gibicsár Roman Rolbiecki Ferenc Pál-Fám |
| author_facet | Sándor Keszthelyi Helga Lukács Szilvia Gibicsár Roman Rolbiecki Ferenc Pál-Fám |
| author_sort | Sándor Keszthelyi |
| collection | DOAJ |
| description | The granary weevil, <i>Sitophilus granarius</i> (L.), is considered a serious pest in stored grain worldwide. As residual-based protection possibilities become scarcer, the development of eco-friendly control technologies that can be implemented in practice is becoming urgent. In this spirit, our objective was to assess the effectiveness of different levels of atmospheric cooling against <i>S. granarius</i> under laboratory conditions. We also analysed the effects of cooling on progeny generation and the viability of treated wheat. Thus, we investigated the consequences of atmospheric exposures to temperatures of −5, −10, −15, −20, and −25 °C for 60, 75, and 90 min on these factors, and also explored the effects of nearby ranges using extrapolation. The viability of the treated wheat embryo was analysed using a TTC test. Our results showed that the highest efficacy was observed at an atmospheric cooling temperature of −25 °C (with a parallel recorded temperature of −10.5 °C in the stored grains zone), with a 90 min exposure at suboptimal relative humidity (40%). At 60% relative humidity, the mortality averages were more dispersed, and the expected efficiencies above 95% occurred at longer exposures. The post-suppressive effect of cooling can be confirmed in all three exposures. The different cooling temperatures of the tested exposure times did not produce any appreciable changes in the viability of treated wheat embryos. In conclusion, our results show that the use of atmospheric cooling can be an effective solution for stored product protection. |
| first_indexed | 2024-03-11T09:17:00Z |
| format | Article |
| id | doaj.art-6e966634b41548a193041c986eb00d51 |
| institution | Directory Open Access Journal |
| issn | 2073-4395 |
| language | English |
| last_indexed | 2024-03-11T09:17:00Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj.art-6e966634b41548a193041c986eb00d512023-11-16T18:36:56ZengMDPI AGAgronomy2073-43952023-02-0113259710.3390/agronomy13020597Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated WheatSándor Keszthelyi0Helga Lukács1Szilvia Gibicsár2Roman Rolbiecki3Ferenc Pál-Fám4Department of Agronomy, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, S. Guba Str. 40, H-7400 Kaposvár, HungaryDepartment of Agronomy, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, S. Guba Str. 40, H-7400 Kaposvár, HungaryDepartment of Agronomy, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, S. Guba Str. 40, H-7400 Kaposvár, HungaryDepartment of Agrometeorology, Plant Irrigation and Horticulture, Bydgoszcz University of Science and Technology, 85-029 Bydgoszcz, PolandDepartment of Agronomy, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Kaposvár Campus, S. Guba Str. 40, H-7400 Kaposvár, HungaryThe granary weevil, <i>Sitophilus granarius</i> (L.), is considered a serious pest in stored grain worldwide. As residual-based protection possibilities become scarcer, the development of eco-friendly control technologies that can be implemented in practice is becoming urgent. In this spirit, our objective was to assess the effectiveness of different levels of atmospheric cooling against <i>S. granarius</i> under laboratory conditions. We also analysed the effects of cooling on progeny generation and the viability of treated wheat. Thus, we investigated the consequences of atmospheric exposures to temperatures of −5, −10, −15, −20, and −25 °C for 60, 75, and 90 min on these factors, and also explored the effects of nearby ranges using extrapolation. The viability of the treated wheat embryo was analysed using a TTC test. Our results showed that the highest efficacy was observed at an atmospheric cooling temperature of −25 °C (with a parallel recorded temperature of −10.5 °C in the stored grains zone), with a 90 min exposure at suboptimal relative humidity (40%). At 60% relative humidity, the mortality averages were more dispersed, and the expected efficiencies above 95% occurred at longer exposures. The post-suppressive effect of cooling can be confirmed in all three exposures. The different cooling temperatures of the tested exposure times did not produce any appreciable changes in the viability of treated wheat embryos. In conclusion, our results show that the use of atmospheric cooling can be an effective solution for stored product protection.https://www.mdpi.com/2073-4395/13/2/597atmospheric coolingcontrol methodmortalityrelative humidity<i>Sitophilus granarius</i>stored product |
| spellingShingle | Sándor Keszthelyi Helga Lukács Szilvia Gibicsár Roman Rolbiecki Ferenc Pál-Fám Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat Agronomy atmospheric cooling control method mortality relative humidity <i>Sitophilus granarius</i> stored product |
| title | Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat |
| title_full | Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat |
| title_fullStr | Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat |
| title_full_unstemmed | Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat |
| title_short | Action of Different Exposures of Chilled Atmospheric Treatments on the Mortality of Granary Weevil and Embryo Viability of the Treated Wheat |
| title_sort | action of different exposures of chilled atmospheric treatments on the mortality of granary weevil and embryo viability of the treated wheat |
| topic | atmospheric cooling control method mortality relative humidity <i>Sitophilus granarius</i> stored product |
| url | https://www.mdpi.com/2073-4395/13/2/597 |
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