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Article

Biopesticide Evaluation from Lab to Greenhouse Scale of Essential Oils Used against Macrosiphum euphorbiae

1
Université Cote d’Azur, INRAE, CNRS, UMR ISA, 06000 Nice, France
2
School of Biological Sciences, University of Aberdeen, Aberdeen AB24 3FX, UK
3
CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, Université de Lyon, 69622 Villeurbanne, France
4
INRAE, INSA Lyon, BF2I, UMR 203, Universite de Lyon, 69621 Villeurbanne, France
5
Institut de Chimie de Nice, Université Côte d’Azur, CNRS, UMR 7272, Parc Valrose, CEDEX 2, 06108 Nice, France
*
Authors to whom correspondence should be addressed.
Academic Editor: Nikoletta Ntalii
Agriculture 2021, 11(9), 867; https://doi.org/10.3390/agriculture11090867
Received: 13 July 2021 / Revised: 6 September 2021 / Accepted: 7 September 2021 / Published: 10 September 2021
Aphids are recognized as a major threat to economically important crops. Their control is predominantly based on synthetic insecticides that are detrimental to human health and the environment. Botanical pesticides based on essential oils (EOs) are a promising alternative. In this study, the entomotoxicity of green anise and fennel EO fumigation was tested on the potato aphid Macrosiphum euphorbiae. Three different settings of increasing scale were considered (leaflet, whole plant and greenhouse) to appraise the consistency of EO impact from controlled laboratory to greenhouse production conditions. LC50 values for green anise and fennel were 6.6 μl L−1air and 12.2 μl L−1air, respectively, based on dose-response curves in leaflet experiments but fennel EO induced phytotoxicity. EO efficiency was confirmed at the whole-plant scale. In the greenhouse experiment, fennel EO exhibited greater efficiency than at the laboratory scale equaling green anise EO efficiency but both EOs showed delayed phytotoxicity, illustrating the importance of long-term monitoring. The present study revealed the ability of both EOs to control M. euphorbiae populations under greenhouse conditions and hinted at the importance of assessing EO efficiency in realistic agronomic conditions (e.g., under the fluctuating environmental conditions usually occurring in greenhouses). View Full-Text
Keywords: insecticidal/aphicidal activity; botanical pesticides; pest management; aphids; fumigants; phytotoxicity insecticidal/aphicidal activity; botanical pesticides; pest management; aphids; fumigants; phytotoxicity
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MDPI and ACS Style

Dunan, L.; Malanga, T.; Bearez, P.; Benhamou, S.; Monticelli, L.S.; Desneux, N.; Michel, T.; Lavoir, A.-V. Biopesticide Evaluation from Lab to Greenhouse Scale of Essential Oils Used against Macrosiphum euphorbiae. Agriculture 2021, 11, 867. https://doi.org/10.3390/agriculture11090867

AMA Style

Dunan L, Malanga T, Bearez P, Benhamou S, Monticelli LS, Desneux N, Michel T, Lavoir A-V. Biopesticide Evaluation from Lab to Greenhouse Scale of Essential Oils Used against Macrosiphum euphorbiae. Agriculture. 2021; 11(9):867. https://doi.org/10.3390/agriculture11090867

Chicago/Turabian Style

Dunan, Lana, Tara Malanga, Philippe Bearez, Sylvain Benhamou, Lucie S. Monticelli, Nicolas Desneux, Thomas Michel, and Anne-Violette Lavoir. 2021. "Biopesticide Evaluation from Lab to Greenhouse Scale of Essential Oils Used against Macrosiphum euphorbiae" Agriculture 11, no. 9: 867. https://doi.org/10.3390/agriculture11090867

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