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Funded Project |
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Funding Program:
Regional IPM Competitive Grants - Northeastern |
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Project Title:
Integrated Management and Resistance Management of Annual Bluegrass Weevil on Golf Course Turf |
Project Directors (PDs):
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Lead State: CT Lead Organization: Connecticut Agricultural Experiment Station |
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Cooperating State(s):
Massachusetts, New Jersey, New York, Pennsylvania, Rhode Island |
| Extension Funding: $800 |
| Research Funding: $89,200 |
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Start Date: Jul-01-2007 End Date: Jun-30-2009 |
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Pests Involved: bluegrass weevils |
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Site/Commodity: golf turf, grasses, turfgrasses |
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Area of Emphasis: resistance |
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Summary:
This multi-state research and extension project will evaluate biological and selective chemical alternatives to pyrethroids for managing annual bluegrass weevil (ABW) in low-cut golf course turf, and will improve the basic biological and ecological understanding of ABW relevant to its management. Over the past ten years golf course superintendents have become dependent on pyrethroids for managing ABW and other insect pests. Recent laboratory tests and field observations demonstrate that populations of annual bluegrass weevil are developing resistance to pyrethroid insecticides -- resulting in control failures and severe injury to turf. We will determine the geographical extent of pyrethroid-resistant ABW populations throughout the northeast. Failure of pyrethroids due to insecticide resistance is anticipated to motivate superintendents to accept selective pesticides or biologicals for managing ABW populations, thereby opening the door to managers' acceptance of other IPM practices. Promising candidates for control of ABW that we will test include natural product insecticides and insect pathogenic nematodes. A transition away from broad-spectrum insecticides should reduce the risk to workers, golfers, and the environment, and permit greater activity of beneficial generalist predators and insect pathogens, improving ecological stability.
This proposal coordinates turf entomology expertise from the Northeast Region to find solutions to superintendents' problems with ABW. Dr. Koppenhöfer (Rutgers Univ.), an insect pathogenic nematode expert, will coordinate the nematode component. Dr. Cowles (Conn. Agric. Expt. Station) has expertise in dose-response testing to evaluate insecticide performance, and will bioassay weevils sent by all participants for pyrethroid resistance with Dr. Alm's Ph.D. student (Univ. RI). Dr. Li is a mycologist and will lead the laboratory-based testing of biocontrol fungi to determine their compatibility with fungicides used in the field. Dr. Peck (Cornell) has expertise in field and population ecology, will lead in phenology analysis, sampling methods and publication of extension literature. All other collaborators have special expertise in working with ABW, and they will be conducting field efficacy tests (all participants except Dr. Peck), and developing web-based resources (Dr. Vittum). Objectives: Research 1. To identify and develop new chemical and biological control options for suppressing ABW on golf courses. 2. To improve monitoring methods for targeting management of ABW larval stages for control. 3. To determine the geographical extent of pyrethroid resistance in annual bluegrass weevil (includes an Extension component). Extension Objective 4. To extend best management practices for ABW to golf course superintendents. Proposal Progress Report Final Report Final Report - Appendix 1: Cowles et al GCM 2008 Final Report - Appendix 2: USGA TERO article Final Report - Appendix 3: Vittum TERO article Final Report - Appendix 4: ABW Peck factsheet Final Report - Appendix 5: McGraw and Koppenhofer USDA CRIS research data USDA CRIS extension data |
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