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Effects of interplanting peppermint (Lamiaceae) in strawberry (Rosaceae) on Drosophila suzukii (Diptera: Drosophilidae) and seed-feeding pests (Hemiptera: Lygaeidae, Miridae, Rhyparochromidae)
Published online by Cambridge University Press: 05 June 2020
Abstract
Spotted-wing drosophila (Drosophila suzukii (Matsumura) (Diptera: Drosophilidae)) is a pest of tender fruit and berry crops because female flies oviposit in ripening fruit. Frequent insecticide applications are needed for control during fruit ripening, with few noninsecticide options available. The effect of interplanting peppermint (Mentha × piperita Linnaeus (Lamiaceae)) in strawberry (Fragaria × ananassa Duchesne (Rosaceae)) on D. suzukii fruit infestation was investigated because peppermint essential oil deterred D. suzukii from fruit in the laboratory, and interplanted aromatic plants reduced crop pest populations in other field studies. Regardless of whether peppermint was untrimmed or periodically trimmed to reduce shading of strawberries and promote release of volatiles, D. suzukii infestation was consistently lowest in strawberries adjacent to no peppermint. Interplanted peppermint also reduced strawberry yield in the second year of the experiment. Abundance of Lygus lineolaris (Palisot de Beauvois) (Hemiptera: Miridae), a strawberry pest, was higher in plots with peppermint, but abundances of Ligyrocoris diffusus (Uhler) (Hemiptera: Rhyparochromidae) and Neortholomus scolopax (Say) (Hemiptera: Lygaeidae), seed feeders but not common strawberry pests, were lower in plots with peppermint. Overall, interplanted peppermint is not recommended for D. suzukii management, but other strategies for using volatile, repellent compounds in the field should be investigated.
- Type
- Research Papers
- Information
- The Canadian Entomologist , Volume 152 , Issue 4: The spotted-wing drosophila , August 2020 , pp. 575 - 586
- Copyright
- © The Author(s), 2020. Published by Cambridge University Press on behalf of the Entomological Society of Canada
Footnotes
Present address: London Research and Development Centre – Vineland Campus, Agriculture and Agri-Food Canada, 4902 Victoria Avenue N, Vineland, Ontario, L0R 2E0, Canada
Subject editor: Christopher Cutler
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