Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆
Soybean oil is a significant alternative to synthetic chemicals for environmentally friendly and sustainable pest control. This study evaluated soybean oil and its fatty acids (palmitic, oleic, and stearic acids; individually) for their acaricidal and repellent effects against Panonychus citri (Tetr...
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EDP Sciences
2025-01-01
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| Series: | Oilseeds and fats, crops and lipids |
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| author | Qayyoum Muhammad Asif Khan Bilal Saeed Song Zi-Wei Yi Tian-Ci Inayat Rehan Akram Muhammad Irfan Mobarak Syed Husne Li Dun-Song |
| author_facet | Qayyoum Muhammad Asif Khan Bilal Saeed Song Zi-Wei Yi Tian-Ci Inayat Rehan Akram Muhammad Irfan Mobarak Syed Husne Li Dun-Song |
| author_sort | Qayyoum Muhammad Asif |
| collection | DOAJ |
| description | Soybean oil is a significant alternative to synthetic chemicals for environmentally friendly and sustainable pest control. This study evaluated soybean oil and its fatty acids (palmitic, oleic, and stearic acids; individually) for their acaricidal and repellent effects against Panonychus citri (Tetranychidae) and its predators [Neoseiulus californicus and Neoseiulus barkeri [Phytoseiidae]) using laboratory foliar dipping and topical spray methods. The LC50 (Lethal Concentration) values for palmitic, oleic, stearic acids, and soybean oil against P. citri were 0.86%, 0.95%, 0.56%, and 0.05% for LDM (Leaf-dipping Method) and 11.92%, 5.34%, 1.46%, and 0.07% for TSM (Topical Spray Method). Soybean oil has maximum attraction (46.67 ± 3.6%) and significantly higher acaricidal effectiveness (46.25 ± 0.98%) compared to acids except oleic acid (50.83 ± 1.22%) against P. citri. Soybean oil showed the least toxicity, with the highest LT50 (Lethal Time) values for N. californicus (LDM: 1.19 h, TSM: 1.27 h). While soybean oil caused a less significant reduction in fertility and lower lethal efficacy (0.83 ± 0.83%) on predatory mites compared to P. citri. Compared to soybean oil, oleic acid reduces fertility rate (27 ± 1.60%) and is an effective repellent (65-75%) against N. californicus and N. barkeri and reduces prey consumption (15-16%) and laying eggs (0.75 ± 0.47) on treated surfaces compared to other treatments. Palmitic acid increases prey consumption (27.5 ± 3.28%) and fertility rates (5.00 ± 0.71) of N. californicus. Palmitic acid, despite being less toxic to P. citri, effectively repels predators, while soybean oil and oleic acid have stronger repellent effects. Leaf dipping was less effective than topical spray. Soybean oil, with its lower mortality rates and sublethal effects on reproduction and behavior, is a strong candidate for integrated pest management strategies. Oleic and palmitic acids, though effective, have repellency to beneficial predators. |
| format | Article |
| id | doaj-art-1be7301d9ff54a45be373b96176580af |
| institution | Kabale University |
| issn | 2272-6977 2257-6614 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
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| series | Oilseeds and fats, crops and lipids |
| spelling | doaj-art-1be7301d9ff54a45be373b96176580af2025-02-07T08:26:21ZengEDP SciencesOilseeds and fats, crops and lipids2272-69772257-66142025-01-0132410.1051/ocl/2024035ocl240029Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆Qayyoum Muhammad Asif0https://orcid.org/0000-0002-9385-0893Khan Bilal Saeed1Song Zi-Wei2Yi Tian-Ci3Inayat Rehan4https://orcid.org/0000-0001-8929-5906Akram Muhammad Irfan5https://orcid.org/0000-0001-5438-5557Mobarak Syed Husne6Li Dun-Song7Institute of Entomology, Guizhou UniversityDepartment of Entomology, Faculty of Agriculture, University of AgricultureKey Laboratory of Green Prevention and Control on Fruits and Vegetables in South China Ministry of Agriculture and Rural Affairs/Guangdong Provincial Key Laboratory of High Technology for Plant Protection/Plant Protection Research Institute, Guangdong Academy of Agriculture SciencesInstitute of Entomology, Guizhou UniversityInstitute of Entomology, Guizhou UniversityDepartment of Entomology, Faculty of Agriculture and Environment, The Islamia University of BahawalpurInstitute of Entomology, Guizhou UniversityKey Laboratory of Green Prevention and Control on Fruits and Vegetables in South China Ministry of Agriculture and Rural Affairs/Guangdong Provincial Key Laboratory of High Technology for Plant Protection/Plant Protection Research Institute, Guangdong Academy of Agriculture SciencesSoybean oil is a significant alternative to synthetic chemicals for environmentally friendly and sustainable pest control. This study evaluated soybean oil and its fatty acids (palmitic, oleic, and stearic acids; individually) for their acaricidal and repellent effects against Panonychus citri (Tetranychidae) and its predators [Neoseiulus californicus and Neoseiulus barkeri [Phytoseiidae]) using laboratory foliar dipping and topical spray methods. The LC50 (Lethal Concentration) values for palmitic, oleic, stearic acids, and soybean oil against P. citri were 0.86%, 0.95%, 0.56%, and 0.05% for LDM (Leaf-dipping Method) and 11.92%, 5.34%, 1.46%, and 0.07% for TSM (Topical Spray Method). Soybean oil has maximum attraction (46.67 ± 3.6%) and significantly higher acaricidal effectiveness (46.25 ± 0.98%) compared to acids except oleic acid (50.83 ± 1.22%) against P. citri. Soybean oil showed the least toxicity, with the highest LT50 (Lethal Time) values for N. californicus (LDM: 1.19 h, TSM: 1.27 h). While soybean oil caused a less significant reduction in fertility and lower lethal efficacy (0.83 ± 0.83%) on predatory mites compared to P. citri. Compared to soybean oil, oleic acid reduces fertility rate (27 ± 1.60%) and is an effective repellent (65-75%) against N. californicus and N. barkeri and reduces prey consumption (15-16%) and laying eggs (0.75 ± 0.47) on treated surfaces compared to other treatments. Palmitic acid increases prey consumption (27.5 ± 3.28%) and fertility rates (5.00 ± 0.71) of N. californicus. Palmitic acid, despite being less toxic to P. citri, effectively repels predators, while soybean oil and oleic acid have stronger repellent effects. Leaf dipping was less effective than topical spray. Soybean oil, with its lower mortality rates and sublethal effects on reproduction and behavior, is a strong candidate for integrated pest management strategies. Oleic and palmitic acids, though effective, have repellency to beneficial predators.https://www.ocl-journal.org/articles/ocl/full_html/2025/01/ocl240029/ocl240029.htmlcitrus red mitepredatory mitessoybean oilacaricidal efficacyrepellency |
| spellingShingle | Qayyoum Muhammad Asif Khan Bilal Saeed Song Zi-Wei Yi Tian-Ci Inayat Rehan Akram Muhammad Irfan Mobarak Syed Husne Li Dun-Song Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ Oilseeds and fats, crops and lipids citrus red mite predatory mites soybean oil acaricidal efficacy repellency |
| title | Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ |
| title_full | Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ |
| title_fullStr | Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ |
| title_full_unstemmed | Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ |
| title_short | Fatty acids from soybeans: compatibility with Panonychus citri (Acari: Tetranychidae) and its two predators☆ |
| title_sort | fatty acids from soybeans compatibility with panonychus citri acari tetranychidae and its two predators☆ |
| topic | citrus red mite predatory mites soybean oil acaricidal efficacy repellency |
| url | https://www.ocl-journal.org/articles/ocl/full_html/2025/01/ocl240029/ocl240029.html |
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