Essential oils-based repellents for the management of Myzus persicae and Macrosiphum euphorbiae

Cantó‐Tejero, Manuel; Casas, José Luis; Marcos-García, Ma Ángeles; Pascual‐Villalobos, M. J.; Florencio‐Ortiz, Victoria; Guirao, P.

doi:10.1007/s10340-021-01380-5

Cited by 18 publications

(18 citation statements)

References 55 publications

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“…In fact, farnesol can be used to synthesize (E) ‐β‐farnesene 40 . Cantó‐Tejero et al 18 . concluded that farnesol acted in a similar manner as the aphid's alarm pheromone, (E) ‐β‐farnesene (repellent to aphids and attractant to parasitoids).…”

Section: Discussionmentioning

confidence: 99%

“…(E) ‐anethole is the main compound of aniseed (96.9%) and fennel (30.9%) EOs and linalool (69.9%) of coriander EO. Essential oils and pure compounds were selected based on the repellent effect on M. persicae and M. euphorbiae determined previously 18 . The aphicidal effect of farnesol nanoemulsions were tested against M. persicae in pepper crops grown in pots (two experiments) and soil (three experiments) in glasshouse conditions during 2020 and 2021.…”

Section: Introductionmentioning

confidence: 99%

“…In previous works, we studied the repellent and/or insecticidal effects of different EOs and pure compounds on various aphid species: Rhopalosiphum padi (L.), Nasonovia ribisnigri (Mosley), Macrosiphum euphorbiae (Thomas) and M. persicae. [15][16][17][18][19] The results of these works show different responses in some cases (repellent and/or aphicidal effect) among these aphid species for the same product.…”

Section: Introductionmentioning

confidence: 99%

“…Essential oils and pure compounds were selected based on the repellent effect on M. persicae and M. euphorbiae determined previously. 18 The aphicidal effect of farnesol nanoemulsions were tested against M. persicae in pepper crops grown in pots (two experiments) and soil (three experiments) in glasshouse conditions during 2020 and 2021. The phytotoxic effect of farnesol nanoemulsions on the pepper plants also was assessed in all the experiments.…”

Section: Introductionmentioning

confidence: 99%

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Aphicidal activity of farnesol against the green peach aphid – Myzus persicae

Cantó‐Tejero

Guirao

Pascual‐Villalobos

2022

Pest Management Science

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BACKGROUND: Myzus persicae (Hemiptera: Aphididae) is considered one of most important agricultural pests in the world. It is one of the main pests in protected pepper crops under glasshouse conditions in Southeastern Spain, but its control is limited as a consequence of the few available authorized insecticides and their incompatibility with the natural enemies. Some essential oils and pure compounds such as anise (Pimpinella anisum) or farnesol are repellent and/or toxic to aphids. Their use as a botanical insecticides can be an alternative for aphid control in pepper.RESULTS: The effect of farnesol was evaluated against M. persicae in a new bioassay developed to test the contact effect (aqueous formulation of the products) on aphids in laboratory conditions. Aniseed essential oil, geraniol and (Z)-jasmone at 0.6% causes an aphid mortality of >50%; and farnesol was the most effective (93.67% mortality). Farnesol nanoemulsions between 0.2% and 0.6% were formulated with an IKA-Labor Pilot dispersing machine (7940 rpm for 10 min) using Tween 80 as a surfactant. These formulations were tested on field experiments (glasshouse conditions) on pepper crops for 2 years. Foliar applications of farnesol at a concentration of 0.4% in field conditions causes a high reduction in aphid populations, with efficacies of ≈70-80% with respect to the control, similar to or even higher than the efficacy of the reference pyrethrin insecticide.CONCLUSION: Farnesol showed a great aphicidal effect against M. persicae. The use of this molecule in integrated pest management programs combined with natural enemies is a good option for future control of M. persicae.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Aphicidal activity of farnesol against the green peach aphid – Myzus persicae

Cantó‐Tejero

Guirao

Pascual‐Villalobos

2022

Pest Management Science

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“…In the last two decades, the number of studies on the use of EOs as botanical insecticides has increased, but the availability of commercial products is still scarce (Isman, 2020b). The literature provides evidence of the repellent and toxic effects of formulations of aniseed, basil, peppermint, and lavandin EOs and pure compounds (E)-anethole, citral, geraniol, linalool, farnesol, and (Z)-jasmone against the aphids Rhopalosiphum padi L. (Pascual-Villalobos et al, 2015, 2017, M. persicae, and Macrosiphum euphorbiae Thomas (Hemiptera: Aphididae) (Pascual-Villalobos et al, 2017;Cantó-Tejero et al, 2021).…”

Section: Liquid Essential Oilsmentioning

confidence: 99%

New Insights Into Biopesticides: Solid and Liquid Formulations of Essential Oils and Derivatives

2021

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Essential oils and derivatives have shown effective insecticidal activity against different agricultural pests. However, the use of these bioactive compounds can result in negative effects due to their high volatility and difficult handling. Both solid and liquid formulations of essential oils have been developed in recent years. Currently, there are some commercial products available in the market, but they are still scarce and mainly based on liquid formulations. Solid formulations developed through spray-drying, including complex or micro/nanospheres, present differences in encapsulation efficiency, particle size, and controlled release, depending mainly on the wall material or surfactant content. Spray-dried essential oils have clear advantages over liquid formulations in terms of biological protection and storage. However, liquid formulations are usually easier scaled and applied. This review focuses on the advances of essential oils in both solid and liquid formulations (focusing on nanoemulsions) and derivatives to allow for their proper use in agriculture.

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