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Insects 2017, 8(1), 18; doi:10.3390/insects8010018

Economic Impact of the Introduction and Establishment of Drosophila suzukii on Sweet Cherry Production in Switzerland

1
Strategic Research Division Plant Protection, Agroscope, Schloss 1, 8820 Wädenswil, Switzerland
2
Competence Division for Research Technology and Knowledge Exchange Plants and Plant Products, Agroscope, Schloss 1, 8820 Wädenswil, Switzerland
3
Agricultural Economics and Policy, Swiss Federal Institute of Technology (ETH), Sonneggstrasse 33, 8092 Zurich, Switzerland
*
Author to whom correspondence should be addressed.
Academic Editor: Mary L. Cornelius
Received: 1 December 2016 / Revised: 31 January 2017 / Accepted: 1 February 2017 / Published: 8 February 2017
(This article belongs to the Special Issue Invasive Insect Species)
View Full-Text   |   Download PDF [229 KB, uploaded 8 February 2017]

Abstract

First detected in Switzerland in 2011, the invasive Drosophila suzukii, spotted wing drosophila, has caused recurring costs for growers of berries and fruit. Recommended management approaches rely on a set of methods, tailored to suit crop requirements under the prevailing local conditions. Control of D. suzukii represents a substantial economic burden for growers, in terms of material, equipment, new infrastructure and extra labour. However, those growers who invest wisely to deliver unblemished produce are rewarded with high payoffs. We present insights from a growers’ survey conducted in 2015 and 2016 to gauge the impact of the introduction and establishment of D. suzukii on Swiss sweet cherry production. The surveyed growers (111 in 2015 and 298 in 2016) observed the recommended surveillance, sanitation and control measures. The use of insecticides (78% and 79% of respondents in 2015 and 2016, respectively) and the harvest of all fruits (93% and 59% of respondents in 2015 and 2016, respectively) were the most widespread methods used to reduce damage. Nearly one-third of the respondents set up enclosure nets. Our economic evaluation of different scenarios provides a quantitative indication of the potentially incurred costs. We argue for enhanced stakeholder involvement to raise the acceptance of integrated pest management practices, and to inform research and outreach by providing insights into the motivations and barriers to adoption. View Full-Text
Keywords: enclosure nets; harvest losses; insecticides; integrated pest management (IPM); invasive insect pests; mass trapping; sanitation; spotted wing drosophila; stone fruits; surveillance enclosure nets; harvest losses; insecticides; integrated pest management (IPM); invasive insect pests; mass trapping; sanitation; spotted wing drosophila; stone fruits; surveillance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mazzi, D.; Bravin, E.; Meraner, M.; Finger, R.; Kuske, S. Economic Impact of the Introduction and Establishment of Drosophila suzukii on Sweet Cherry Production in Switzerland. Insects 2017, 8, 18.

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