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Funded Project |
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Funding Program:
Integrated Pest Management Competitive Grants Program |
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Project Title:
Wildland Fruit as Winter Refugia for Spotted Wing Drosophila in the Intermountain West. |
Project Directors (PDs):
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Lead State: UT Lead Organization: Utah State University |
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Cooperating State(s):
Idaho |
| Undesignated Funding: $29,981 |
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Start Date: Mar-02-2015 End Date: Feb-29-2016 |
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Pests Involved: Spotted Wing Drosophila |
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Area of Emphasis: alternate hosts, forcast pest population development using degree days |
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Summary:
Spotted Wing Drosophila (SWD; Drosophila suzukii) was first identified in the U.S. in 2008 and is now a severe economic pest of soft fruit in many parts of the country, including California, Oregon and Washington. Currently, SWD occurs in both Utah and Idaho, although abundances are relatively low (as compared to the Pacific Northwest) and this pest has not yet reached economically injurious levels. It is unclear if SWD is being reintroduced every year or if they are surviving the winter in wild and/or feral fruit resources. The overall goal of this project is to gain a better understanding of SWD biology and host use in what may be borderline climates (e.g., hot summers) with ample wild and feral hosts to improve SWD management strategies in our region and other regions as well. Our specific objectives are to 1) identify potentially important wild and feral fruit hosts of SWD in Idaho and Utah and 2) validate and adapt current degree-day models to assist in the prediction of SWD activity in the Intermountain West. For objective 1, we will conduct field surveys for adult SWD in non-crop habitats and examine wild fruit for SWD larval infestations. For objective 2, we will use field-collected data to validate and adapt existing degree-day models. This proposal is being submitted to the Western IPM Center as a Project Initiation grant proposal and addresses the following key mission of the Western IPM center: to use IPM strategies to decrease the risks associated with pest management.
Objectives: 1. Identify potentially important wild and feral fruit hosts of spotted wing drosophila. 2. Validate and adapt current degree-day models to assist in the prediction of spotted wing drosophila activity in the Intermountain West. |
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