Economic Impact of Spotted Wing Drosophila (Diptera: Drosophilidae) Yield Loss on Minnesota Raspberry Farms: A Grower Survey
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Economic Impact of Spotted Wing Drosophila (Diptera: Drosophilidae) Yield Loss on Minnesota Raspberry Farms: A Grower Survey
Published Date
2019
Publisher
Journal of Integrated Pest Management
Type
Article
Abstract
Minnesota was dubbed the ‘raspberry consumption capital of America’ in 2017 by wholesaler Driscoll’s, Inc.
Local production of this high-demand fruit, however, is limited by the invasive pest, spotted wing Drosophila
(Drosophila suzukii Matsumura, Diptera: Drosophilidae). Recent research to develop integrated pest management
(IPM) programs for MN berry crops indicates that raspberry growers are particularly vulnerable to significant
spotted wing Drosophila-related yield losses. Spotted wing Drosophila was detected in Minnesota in 2012 across
29 counties. This analysis explores the economic impact of raspberry yield losses associated with spotted wing
Drosophila in Minnesota as part of a multifaceted research initiative. An electronic survey of 157 MN berry growers
was conducted in November 2017. Eighty-two individual grower surveys were returned (52% response rate). The
survey included questions about production acreage, marketing practices, spotted wing Drosophila-related yield
losses and future production intentions. The results of the e-survey indicate that raspberry growers have borne the
highest levels of infestation among MN fruit growers surveyed. Spotted wing Drosophila-related yield losses for
raspberry growers ranged from 2 to 100% of planted acreage.The median yield loss for this group of growers was
20% in 2017. Applying the median yield loss to ex-ante production estimates, we conclude that MN growers lost
approximately $2.36 million in raspberry sales during the 1 yr studied. Investing in spotted wing Drosophila control
measures will help MN growers reduce some of these losses in the future.
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Minnesota Invasive Terrestrial Plants and Pests Center, University of Minnesota, for funding this work through the Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR), and support from the UMN Extension IPM Program (NIFA Project 2017-70006-27278).
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10.1093/jipm/pmz006
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Suggested citation
DiGiacomo, Gigi; Hadrich, Joleen; Hutchison, William D.; Peterson, Hikaru; Rogers, Mary. (2019). Economic Impact of Spotted Wing Drosophila (Diptera: Drosophilidae) Yield Loss on Minnesota Raspberry Farms: A Grower Survey. Retrieved from the University Digital Conservancy, 10.1093/jipm/pmz006.
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