Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis

Spodoptera littoralis, commonly known as the Egyptian or African cotton leafworm, is a significant agricultural threat. It is widely distributed in Africa, Mediterranean Europe, and Middle Eastern countries. This polyphagous pest infests numerous crop plants across 44 families, including cotton, soy...

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Autores principales: Giuliano, Gaetano, Campolo, Orlando, Forte, Giuseppe, Urbaneja, Alberto, Pérez-Hedo, Mertixell, Latella, Ilaria, Palmieri, Vincenzo, Giunti, Giulia
Formato: article
Lenguaje:Inglés
Publicado: MDPI 2024
Materias:
Acceso en línea:https://hdl.handle.net/20.500.11939/8966
https://www.mdpi.com/2075-4450/15/7/476
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author Giuliano, Gaetano
Campolo, Orlando
Forte, Giuseppe
Urbaneja, Alberto
Pérez-Hedo, Mertixell
Latella, Ilaria
Palmieri, Vincenzo
Giunti, Giulia
author_browse Campolo, Orlando
Forte, Giuseppe
Giuliano, Gaetano
Giunti, Giulia
Latella, Ilaria
Palmieri, Vincenzo
Pérez-Hedo, Mertixell
Urbaneja, Alberto
author_facet Giuliano, Gaetano
Campolo, Orlando
Forte, Giuseppe
Urbaneja, Alberto
Pérez-Hedo, Mertixell
Latella, Ilaria
Palmieri, Vincenzo
Giunti, Giulia
author_sort Giuliano, Gaetano
collection ReDivia
description Spodoptera littoralis, commonly known as the Egyptian or African cotton leafworm, is a significant agricultural threat. It is widely distributed in Africa, Mediterranean Europe, and Middle Eastern countries. This polyphagous pest infests numerous crop plants across 44 families, including cotton, soybeans, alfalfa, sweet potato, pepper, eggplant, tomato, maize, lettuce, strawberry, wheat, and hibiscus. The damage caused by S. littoralis on different plant organs, such as young leaves, shoots, stalks, bolls, buds, and fruits, often determines substantial product losses. Current control strategies predominantly rely on synthetic insecticides, which, despite their efficacy, have notable drawbacks, including insecticide resistance, environmental contamination, consumer concerns, and adverse effects on non-target organisms and beneficial insects. In response to these challenges, in this study, we developed and evaluated a garlic EO-based nanoemulsion with a high EO concentration (15%) and low surfactant content to mitigate the possible negative impact on plants and to enhance efficacy against S. littoralis larvae. Laboratory bioassays demonstrated promising larvicidal activity and reduced larval feeding, although some phytotoxicity symptoms were observed. This study underscores the potential of botanical insecticides as sustainable alternatives to synthetic chemicals, emphasizing the importance of balancing efficacy with environmental and ecological considerations in pest management strategies.
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spelling ReDivia89662025-04-25T14:49:40Z Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis Giuliano, Gaetano Campolo, Orlando Forte, Giuseppe Urbaneja, Alberto Pérez-Hedo, Mertixell Latella, Ilaria Palmieri, Vincenzo Giunti, Giulia Antifeedant Cotton leafworm H10 Pests of plants Biopesticides Garlic Phytotoxicity Spodoptera littoralis, commonly known as the Egyptian or African cotton leafworm, is a significant agricultural threat. It is widely distributed in Africa, Mediterranean Europe, and Middle Eastern countries. This polyphagous pest infests numerous crop plants across 44 families, including cotton, soybeans, alfalfa, sweet potato, pepper, eggplant, tomato, maize, lettuce, strawberry, wheat, and hibiscus. The damage caused by S. littoralis on different plant organs, such as young leaves, shoots, stalks, bolls, buds, and fruits, often determines substantial product losses. Current control strategies predominantly rely on synthetic insecticides, which, despite their efficacy, have notable drawbacks, including insecticide resistance, environmental contamination, consumer concerns, and adverse effects on non-target organisms and beneficial insects. In response to these challenges, in this study, we developed and evaluated a garlic EO-based nanoemulsion with a high EO concentration (15%) and low surfactant content to mitigate the possible negative impact on plants and to enhance efficacy against S. littoralis larvae. Laboratory bioassays demonstrated promising larvicidal activity and reduced larval feeding, although some phytotoxicity symptoms were observed. This study underscores the potential of botanical insecticides as sustainable alternatives to synthetic chemicals, emphasizing the importance of balancing efficacy with environmental and ecological considerations in pest management strategies. 2024-08-30T11:48:32Z 2024-08-30T11:48:32Z 2024 article publishedVersion Giuliano, G., Campolo, O., Forte, G., Urbaneja, A., Pérez-Hedo, M., Latella, I., ... & Giunti, G. (2024). Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis. Insects, 15(7), 476. 2075-4450 https://hdl.handle.net/20.500.11939/8966 10.3390/insects15070476 https://www.mdpi.com/2075-4450/15/7/476 en Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ openAccess MDPI electronico
spellingShingle Antifeedant
Cotton leafworm
H10 Pests of plants
Biopesticides
Garlic
Phytotoxicity
Giuliano, Gaetano
Campolo, Orlando
Forte, Giuseppe
Urbaneja, Alberto
Pérez-Hedo, Mertixell
Latella, Ilaria
Palmieri, Vincenzo
Giunti, Giulia
Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title_full Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title_fullStr Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title_full_unstemmed Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title_short Insecticidal Activity of Allium sativum Essential Oil-Based Nanoemulsion against Spodoptera littoralis
title_sort insecticidal activity of allium sativum essential oil based nanoemulsion against spodoptera littoralis
topic Antifeedant
Cotton leafworm
H10 Pests of plants
Biopesticides
Garlic
Phytotoxicity
url https://hdl.handle.net/20.500.11939/8966
https://www.mdpi.com/2075-4450/15/7/476
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