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Funded Project |
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Funding Program:
Integrated Pest Management Competitive Grants Program |
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Project Title:
Enhancing IPM by integration of chemical and biological controls through assessment of selectivity of chemistries and function of biocontrol |
Project Directors (PDs):
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Lead State: AZ Lead Organization: University of Arizona |
| Undesignated Funding: $30,000 |
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Start Date: Mar-01-2018 End Date: Mar-01-2019 |
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Pests Involved: Bemisia tabaci and other pests |
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Site/Commodity: Maricopa, Arizona/Cotton |
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Area of Emphasis: Insecticide selectivity |
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Summary:
In this project initiation, we will develop better information about effects of currently registered and experimental whitefly, Bemisia tabaci, and Lygus bug insecticides on natural enemies, and investigate the effect of plot size in this type of study. We will conduct a non-target organism trial at Maricopa Agricultural Center, and we will examine selectivity of candidate insecticides (obj. 1) and effects of plot size on population dynamics and predation rates of whitefly natural enemies in cotton (obj. 2). We will conduct outreach to growers, pest managers and the scientific community. We will sample pests and natural enemies using established methods, and examine predation rates. Data from this project will inform grower insecticide selection to minimize disruption of natural enemies, preserve biocontrol, and maintain chemical options for resistance management. Also, the information provided on plot size will help in determining the validity of conclusions from field trials of this type, and may improve interpretation of ecological data for mobile insects by IPM scientists. This project addresses stakeholder needs identified by the scientific community and growers, addressing Western IPM PMSP priorities of maintaining a variety of chemical controls, including selective insecticides, to preserve effective biological control and for resistance management for key pests. We will directly engage tribal pest managers from Gila River Indian Community and Ak Chin Indian Community. This project will advance IPM by directly promoting integration of chemical and biological control as well as the conservation of natural enemies, which are priorities expressed by the scientific and practitioner community.
Objectives: Our goals are to develop better information about the effect of currently registered and experimental whitefly and Lygus bug insecticides on NTOs, i.e., natural enemies, and to investigate the effect of plot size on the biocontrol function and density of natural enemies in NTO studies. We expect that the data from this project may improve interpretation of data for mobile insects and will assist cotton growers in selecting insecticides that minimize disruption of natural enemies. Our objectives are: 1) To test the selectivity of currently registered and experimental insecticides towards natural enemies of whitefly (and other pests) in cotton 2) To investigate the effects of plot size on population dynamics and biocontrol function in non-target organism studies |
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