The dual benefit of plant essential oils against Tuta absoluta
Increasingly, plant essential oils (PEOs) are being shown as an alternative to synthetic chemicals to fight against pests and diseases. PEOs might have a direct effect by being toxic and repellent to pests and even attractive to natural enemies. In addition, several PEOs have recently been descri...
| Autores principales: | , , , , , |
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| Formato: | conferenceObject |
| Lenguaje: | Inglés |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/20.500.11939/8919 |
| _version_ | 1855032878610513920 |
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| author | Ben Abdallah, Saoussen Riahi, Chaymaa Vacas, Sandra Navarro-Llopis, Vicente Urbaneja, Alberto Pérez-Hedo, Mertixell |
| author_browse | Ben Abdallah, Saoussen Navarro-Llopis, Vicente Pérez-Hedo, Mertixell Riahi, Chaymaa Urbaneja, Alberto Vacas, Sandra |
| author_facet | Ben Abdallah, Saoussen Riahi, Chaymaa Vacas, Sandra Navarro-Llopis, Vicente Urbaneja, Alberto Pérez-Hedo, Mertixell |
| author_sort | Ben Abdallah, Saoussen |
| collection | ReDivia |
| description | Increasingly, plant essential oils (PEOs) are being shown as an alternative to
synthetic chemicals to fight against pests and diseases. PEOs might have a direct effect by being
toxic and repellent to pests and even attractive to natural enemies. In addition, several PEOs
have recently been described as elicitors of plant defenses, which could indirectly affect pests
and diseases. This work describes the effectiveness of five commercial PEOs (Achillea
millefolium, Allium sativum, Rosmarinus officinallis, Tagetes minuta, and Thymus zygis) on
controlling the South American tomato pinworm Tuta absoluta and the beneficial effect on the
predator Nesidiocoris tenuis. Therefore, a Y-tube olfactometer was used to test the behavioral
response of T. absoluta and N. tenuis to PEO-sprayed tomato plants and intact tomato plants.
The PEOS of Achillea millefolium and A. sativum, when sprayed on tomato plants, were found
to be significantly repellent to T. absoluta but attractive to N. tenuis; thus, these two PEOs were
selected for further studies in a greenhouse experiment. The spray of tomato plants with either
A. millefolium or A. sativum PEOs significantly reduced the number of T. absoluta eggs, larvae,
and infested leaflets. Additionally, both PEO sprays did not affect the establishment and
reproduction of the predator N. tenuis compared to the control. Interestingly, the spray of
A. millefolium and A. sativum upregulated the expression of the defence genes related to abscisic
acid (ABA), jasmonic acid (JA), and salicylic acid (SA) pathways. Plant defence activation
triggered the release of herbivore-induced plant volatiles, mainly Z-3-hexen-1-ol, heptanal,
1-octanol, (Z)-3-hexenyl propanoate, nonanal, 2-nonenal and (Z)-3-hexenyl butyrate. Our
results suggest that A. millefolium and A. sativum oils could play a significant role in T. absoluta
management. The potential of these oils as elicitor agents in tomato crops is discussed. |
| format | conferenceObject |
| id | ReDivia8919 |
| institution | Instituto Valenciano de Investigaciones Agrarias (IVIA) |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| record_format | dspace |
| spelling | ReDivia89192025-04-25T14:51:05Z The dual benefit of plant essential oils against Tuta absoluta Ben Abdallah, Saoussen Riahi, Chaymaa Vacas, Sandra Navarro-Llopis, Vicente Urbaneja, Alberto Pérez-Hedo, Mertixell Yarrow HIPVs H10 Pests of plants Garlic Solanum lycopersicum Plant defense reactions Increasingly, plant essential oils (PEOs) are being shown as an alternative to synthetic chemicals to fight against pests and diseases. PEOs might have a direct effect by being toxic and repellent to pests and even attractive to natural enemies. In addition, several PEOs have recently been described as elicitors of plant defenses, which could indirectly affect pests and diseases. This work describes the effectiveness of five commercial PEOs (Achillea millefolium, Allium sativum, Rosmarinus officinallis, Tagetes minuta, and Thymus zygis) on controlling the South American tomato pinworm Tuta absoluta and the beneficial effect on the predator Nesidiocoris tenuis. Therefore, a Y-tube olfactometer was used to test the behavioral response of T. absoluta and N. tenuis to PEO-sprayed tomato plants and intact tomato plants. The PEOS of Achillea millefolium and A. sativum, when sprayed on tomato plants, were found to be significantly repellent to T. absoluta but attractive to N. tenuis; thus, these two PEOs were selected for further studies in a greenhouse experiment. The spray of tomato plants with either A. millefolium or A. sativum PEOs significantly reduced the number of T. absoluta eggs, larvae, and infested leaflets. Additionally, both PEO sprays did not affect the establishment and reproduction of the predator N. tenuis compared to the control. Interestingly, the spray of A. millefolium and A. sativum upregulated the expression of the defence genes related to abscisic acid (ABA), jasmonic acid (JA), and salicylic acid (SA) pathways. Plant defence activation triggered the release of herbivore-induced plant volatiles, mainly Z-3-hexen-1-ol, heptanal, 1-octanol, (Z)-3-hexenyl propanoate, nonanal, 2-nonenal and (Z)-3-hexenyl butyrate. Our results suggest that A. millefolium and A. sativum oils could play a significant role in T. absoluta management. The potential of these oils as elicitor agents in tomato crops is discussed. 2024-05-29T11:09:50Z 2024-05-29T11:09:50Z 2023 conferenceObject Ben Abdallah, S.; Riahi C., Vacas, S., Navarro-Llopis, V. Urbaneja, A, Pérez-Hedo, M. (2023). The dual benefits of plant essential oils against Tuta absoluta. Bulletin OILB/WPRS, 167, 261-262. https://hdl.handle.net/20.500.11939/8919 en Bulletin IOBC-WPRS;167 2023-08-27 Integrated Control in Protected Crops Temperate and Mediterranean Climate Brest Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ openAccess electronico |
| spellingShingle | Yarrow HIPVs H10 Pests of plants Garlic Solanum lycopersicum Plant defense reactions Ben Abdallah, Saoussen Riahi, Chaymaa Vacas, Sandra Navarro-Llopis, Vicente Urbaneja, Alberto Pérez-Hedo, Mertixell The dual benefit of plant essential oils against Tuta absoluta |
| title | The dual benefit of plant essential oils against Tuta absoluta |
| title_full | The dual benefit of plant essential oils against Tuta absoluta |
| title_fullStr | The dual benefit of plant essential oils against Tuta absoluta |
| title_full_unstemmed | The dual benefit of plant essential oils against Tuta absoluta |
| title_short | The dual benefit of plant essential oils against Tuta absoluta |
| title_sort | dual benefit of plant essential oils against tuta absoluta |
| topic | Yarrow HIPVs H10 Pests of plants Garlic Solanum lycopersicum Plant defense reactions |
| url | https://hdl.handle.net/20.500.11939/8919 |
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