Garlic and peppermint essential oils induce defensive responses on sweet peppers

Plant essential oils (EOs) are a promising tool for the sustainable control of agricultural pests, however, their impact on plants and the associated trophic networks has been scarcely investigated. We studied in the laboratory whether different nanoformulated EOs can induce defences on sweet pep...

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Autores principales: Ricupero, Michele, Biondi, Antonio, Campolo, Orlando, Alonso-Valiente, Miquel, Gallego, Carolina, Zappalà, Lucia, Urbaneja, Alberto, Pérez-Hedo, Mertixell
Formato: conferenceObject
Lenguaje:Inglés
Publicado: 2024
Materias:
Acceso en línea:https://hdl.handle.net/20.500.11939/8925
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author Ricupero, Michele
Biondi, Antonio
Campolo, Orlando
Alonso-Valiente, Miquel
Gallego, Carolina
Zappalà, Lucia
Urbaneja, Alberto
Pérez-Hedo, Mertixell
author_browse Alonso-Valiente, Miquel
Biondi, Antonio
Campolo, Orlando
Gallego, Carolina
Pérez-Hedo, Mertixell
Ricupero, Michele
Urbaneja, Alberto
Zappalà, Lucia
author_facet Ricupero, Michele
Biondi, Antonio
Campolo, Orlando
Alonso-Valiente, Miquel
Gallego, Carolina
Zappalà, Lucia
Urbaneja, Alberto
Pérez-Hedo, Mertixell
author_sort Ricupero, Michele
collection ReDivia
description Plant essential oils (EOs) are a promising tool for the sustainable control of agricultural pests, however, their impact on plants and the associated trophic networks has been scarcely investigated. We studied in the laboratory whether different nanoformulated EOs can induce defences on sweet pepper, Capsicum annuum, by foliar application. Firstly, through a dual choice test, based on the olfactory response of the model parasitoid Encarsia formosa, garlic and peppermint EOs were selected among different plant extracts over four botanical families (i. e., Apiaceae, Asteraceae, Liliaceae and Lamiaceae). The behavioural responses of the herbivores Bemisia tabaci, Frankliniella occidentalis and the predators Orius laevigatus and Nesidiocoris tenuis to EO induced plant volatiles were thus investigated. The expression level of defence-related genes in plant tissues and the phytotoxic impact in the whole plant were measured in response to EO foliar applications in sweet pepper. Garlic and peppermint EOsprayed plants at different concentrations triggered different behavioural responses on both pests and natural enemies in olfactory trials. Gene expression analysis highlighted activated defence signalling pathways in EO sprayed sweet pepper plants, while a variable phytotoxic effect was recorded. Our results suggest that EOs may have an impact on sweet pepper and the associated trophic network. These findings could serve as a basis for future development of plant protection strategies in the framework of Integrated Pest Management.
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spelling ReDivia89252025-04-25T14:51:09Z Garlic and peppermint essential oils induce defensive responses on sweet peppers Ricupero, Michele Biondi, Antonio Campolo, Orlando Alonso-Valiente, Miquel Gallego, Carolina Zappalà, Lucia Urbaneja, Alberto Pérez-Hedo, Mertixell Botanical Predatory bugs H10 Pests of plants Biological control Integrated pest management Plant response Plant essential oils (EOs) are a promising tool for the sustainable control of agricultural pests, however, their impact on plants and the associated trophic networks has been scarcely investigated. We studied in the laboratory whether different nanoformulated EOs can induce defences on sweet pepper, Capsicum annuum, by foliar application. Firstly, through a dual choice test, based on the olfactory response of the model parasitoid Encarsia formosa, garlic and peppermint EOs were selected among different plant extracts over four botanical families (i. e., Apiaceae, Asteraceae, Liliaceae and Lamiaceae). The behavioural responses of the herbivores Bemisia tabaci, Frankliniella occidentalis and the predators Orius laevigatus and Nesidiocoris tenuis to EO induced plant volatiles were thus investigated. The expression level of defence-related genes in plant tissues and the phytotoxic impact in the whole plant were measured in response to EO foliar applications in sweet pepper. Garlic and peppermint EOsprayed plants at different concentrations triggered different behavioural responses on both pests and natural enemies in olfactory trials. Gene expression analysis highlighted activated defence signalling pathways in EO sprayed sweet pepper plants, while a variable phytotoxic effect was recorded. Our results suggest that EOs may have an impact on sweet pepper and the associated trophic network. These findings could serve as a basis for future development of plant protection strategies in the framework of Integrated Pest Management. 2024-05-30T08:39:00Z 2024-05-30T08:39:00Z 2023 conferenceObject Ricupero, M.; Biondi, A., Campolo, O., Alonso-Valiente, M., Gallego, C., Zappalà, L., Urbaneja, A., Pérez-Hedo, M. (2023). Garlic and peppermint essential oils induce defensive responses on sweet peppers. Bulletin OILB/WPRS, 167, 282-284. https://hdl.handle.net/20.500.11939/8925 en 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 Botanical
Predatory bugs
H10 Pests of plants
Biological control
Integrated pest management
Plant response
Ricupero, Michele
Biondi, Antonio
Campolo, Orlando
Alonso-Valiente, Miquel
Gallego, Carolina
Zappalà, Lucia
Urbaneja, Alberto
Pérez-Hedo, Mertixell
Garlic and peppermint essential oils induce defensive responses on sweet peppers
title Garlic and peppermint essential oils induce defensive responses on sweet peppers
title_full Garlic and peppermint essential oils induce defensive responses on sweet peppers
title_fullStr Garlic and peppermint essential oils induce defensive responses on sweet peppers
title_full_unstemmed Garlic and peppermint essential oils induce defensive responses on sweet peppers
title_short Garlic and peppermint essential oils induce defensive responses on sweet peppers
title_sort garlic and peppermint essential oils induce defensive responses on sweet peppers
topic Botanical
Predatory bugs
H10 Pests of plants
Biological control
Integrated pest management
Plant response
url https://hdl.handle.net/20.500.11939/8925
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