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Funded Project |
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Funding Program:
Western Region Work Groups |
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Project Title:
Improving potato tuberworm management with cultural practices |
Project Directors (PDs):
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Lead State: OR Lead Organization: Oregon State University |
| Undesignated Funding: $39,750 |
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Start Date: Jan-01-2008 End Date: Mar-14-2009 |
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Pests Involved: Potato tuberworm |
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Site/Commodity: Pacific Northwest potatoes |
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Area of Emphasis: Cultural Practices |
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Summary:
Potato tuberworm (PTW), Phthorimaea operculella (Zeller), is one of the most important potato pests worldwide. Typically found in tropical and subtropical regions, PTW was detected in damaging numbers in Oregon in 2002. By 2005, PTW spread extensively across Oregon and Washington and currently threatens about 200,000 acres of potatoes valued at more than $500 million. Although in 2006 and 2007 PTW populations were lower than previous years, the insect is still present in damaging levels and is well established in the region. Moreover, there is a significant risk of further spread to Idaho, the nations largest potato producing state. Because it is a relatively new pest in this region, information on cultural control practices for control of PTW in the Pacific Northwest is needed for development and implementation of effective recommendations. Therefore, we propose a research project to comprehensively study cultural methods such as covering hills, optimizing irrigation, timing insecticide application, and desiccation. Our preliminary studies have shown that these cultural practices may reduce tuber damage significantly. The research findings will be highly valuable to producers of Oregon, Washington, and Idaho. The results will be disseminated by means of publications in scientific and extension journals and through workshops and presentations at field days. It is expected that growers will adopt more effective recommended pest control practices and to significantly decrease insecticide use.
Objectives: 1. Determine the effects of cultural management practices on PTW damage: planting depth/irrigation, covering hill, and desiccation/chemical application after vine-kill 2. Communicate and disseminate information about this pest to the industry |
| Website: Improving potato tuberworm management with cultural practices |
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