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Funded Project |
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Funding Program:
Integrated Pest Management Competitive Grants Program |
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Project Title:
Western Region Choke Disease Management Work Group |
Project Directors (PDs):
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Lead State: OR Lead Organization: Oregon State University |
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Cooperating State(s):
Kentucky, Oklahoma, Utah |
| Undesignated Funding: $10,000 |
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Start Date: Jan-01-2011 End Date: Mar-14-2012 |
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Pests Involved: Choke fungal pathogen, Epichloe typhina |
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Site/Commodity: Oregon/Orchardgrass seed |
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Summary:
An IPM workgroup is proposed for addressing choke disease which suppresses flowering and lowers yields up to 30% in orchardgrass seed production. The disease, caused by an endophytic fungus, was accidently introduced into Oregon. Fungicides were ineffective, and the disease soon reached epidemic levels. Disease management is complicated by complex fungal interactions with its host, and with flies and other possible agents involved in fungal fertilization Orchardgrass, used as livestock fodder nationally, is raised for seed almost exclusively in Oregon. The crop is productive for > 30 years, and hence annual and long-term economic impacts are high. The objective of the workgroup is to bring together stakeholders, researchers and extension personnel from four US states, and internationally, to set priorities and develop a multi-disciplinary (plant pathology, entomology, agronomy, genetics and plant breeding), multi-state and multi-agency research proposal for choke disease management.
Objectives: Our objective is to form the Western Region Choke Management Work Group to bring together knowledge and expertise of stakeholders, IPM practitioners and researchers from universities, USDA and industry to develop IPM priorities, and an integrated research strategy for management of choke. The work group will then develop research projects focused on examination of interactions of the choke pathogen with its host grass and other organisms, potential plant resistance and manipulation of cultivation practices for development of management strategies for suppression of choke disease. |
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