Deterrent effects of essential oils on spotted-wing drosophila (Drosophila suzukii): Implications for organic management in berry crops

Matthew Gullickson; Claire Flavin Hodge; Adrian Hegeman; Mary Rogers

doi:10.3390/insects11080536

Deterrent effects of essential oils on spotted-wing drosophila (Drosophila suzukii): Implications for organic management in berry crops

Matthew Gullickson, Claire Flavin Hodge, Adrian Hegeman, Mary Rogers

Horticultural Science

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Due to concerns about frequent applications of spinosad and other broad spectrum insecticides for managing spotted-wing drosophila (Drosophila suzukii Matsumura, SWD), we investigated the use of essential oils as an alternative to current insecticides. Essential oils from a number of plant species have been studied for their attraction and deterrence of SWD. However, these botanical products have not been thoroughly tested in the field. We conducted laboratory and field studies to determine the efficacy of botanical products, including lavender (Lavandula angustifolia Mill.) oil, catnip (Nepeta cataria L.) oil, KeyPlex Ecotrol^® PLUS, and KeyPlex Sporan^® EC² on preventing SWD infestation in raspberry (Rubus idaeus L.) and blueberry (Vaccinium corymbosum L.) crops. In a two-choice laboratory bioassay, lavender oil, Ecotrol, and Sporan treatments deterred SWD from a yeast-cornmeal-sugar based fly diet. In the field trials, raspberry fruit treated with Ecotrol had lower SWD infestation (6%), compared to the control (17%), and was comparable to spinosad (6%). No differences were seen in blueberry infestation. The combination of essential oils in Ecotrol may work to decrease SWD fruit infestation under certain conditions in the field, however more research is needed on the longevity of these products.

Original language	English (US)
Article number	536
Pages (from-to)	1-12
Number of pages	12
Journal	Insects
Volume	11
Issue number	8
DOIs	https://doi.org/10.3390/insects11080536
State	Published - Aug 2020

Bibliographical note

Funding Information:
Funding: Funding for this project was partially provided by the Minnesota Invasive Terrestrial Plants and Pests Center through the Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR), and Minnesota Department of Agriculture Agricultural Growth, Research, and Innovation (AGRI) Crops Research grant. Funding was also provided by the Minnesota Agriculture Experiment Station (MIN-21-077 and MIN-21-090) and the University of Minnesota Office of the Vice President for the Research Grant-in-Aid program.

Funding Information:
for this project was partially provided by the Minnesota Invasive Terrestrial Plants and Pests Center through the Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR), and Minnesota Department of Agriculture Agricultural Growth, Research, and Innovation (AGRI) Crops Research grant. Funding was also provided by the Minnesota Agriculture Experiment Station (MIN-21-077 and MIN-21-090) and the University of Minnesota Office of the Vice President for the Research Grant-in-Aid program.

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

Integrated pest management
Rubus idaeus
Small fruit
Vaccinium corymbosum
Volatile organic compounds

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/insects11080536

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abstract = "Due to concerns about frequent applications of spinosad and other broad spectrum insecticides for managing spotted-wing drosophila (Drosophila suzukii Matsumura, SWD), we investigated the use of essential oils as an alternative to current insecticides. Essential oils from a number of plant species have been studied for their attraction and deterrence of SWD. However, these botanical products have not been thoroughly tested in the field. We conducted laboratory and field studies to determine the efficacy of botanical products, including lavender (Lavandula angustifolia Mill.) oil, catnip (Nepeta cataria L.) oil, KeyPlex Ecotrol{\textregistered} PLUS, and KeyPlex Sporan{\textregistered} EC2 on preventing SWD infestation in raspberry (Rubus idaeus L.) and blueberry (Vaccinium corymbosum L.) crops. In a two-choice laboratory bioassay, lavender oil, Ecotrol, and Sporan treatments deterred SWD from a yeast-cornmeal-sugar based fly diet. In the field trials, raspberry fruit treated with Ecotrol had lower SWD infestation (6%), compared to the control (17%), and was comparable to spinosad (6%). No differences were seen in blueberry infestation. The combination of essential oils in Ecotrol may work to decrease SWD fruit infestation under certain conditions in the field, however more research is needed on the longevity of these products.",

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Deterrent effects of essential oils on spotted-wing drosophila (Drosophila suzukii): Implications for organic management in berry crops

Abstract

Bibliographical note

Keywords

UN SDGs

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