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Funded Project |
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Funding Program:
Regional IPM Grants (S-RIPM) |
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Project Title:
Integrated Management of Mite-Vectored Virus Diseases of Wheat |
Project Director (PD):
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Lead State: TX Lead Organization: Texas AgrilLife Research |
| Extension Funding: $35,000 |
| Research Funding: $140,697 |
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Start Date: Sep-01-2013 End Date: Aug-31-2015 |
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Pests Involved: virus diseases;mite vectors |
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Site/Commodity: wheat |
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Area of Emphasis: plant pathology; entomology |
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Summary:
Our goal is to reduce losses from mite-vectored virus diseases (MVVD) of wheat by providing growers with new information and techniques for site-specific IPM. Current recommendations for disease management were developed in the 1960s, but recent development of cultivars with genetic resistance to the vector and/or pathogen, and improved understanding of vector ecology and epidemiology, create opportunities to develop new IPM approaches. Specific project objectives are: Research 1) Evaluate the impact of cultivar mixes and deficit irrigation on mite populations, 2) Develop an economic threshold for MVVD, and 3) Identify chemistries for site-specific wheat curl mite control; Extension 1) Develop multi-media educational tools and training programs and 2) Develop a first alert system for MVVD. Fields with natural disease gradients will be used in this study. Disease severity ratings from discrete locations will be taken across fields weekly, meteorological data and forage samples will be collected throughout the season, and grain yield determined at harvest. This will allow us to determine rate of disease spread, and how a given level of disease at a given time during the season impacts grain yield and profit. We will conduct studies to evaluate miticide efficacy, and determine how irrigation amount, and mixes of mite-resistant TAM 112 with susceptible but drought tolerant TAM 111, affect mite populations and disease spread. This is a multistate, integrated project, identified by clientele as high priority.
Objectives: Research Objective 1 - Evaluate the impact of cultivar mixes and deficit irrigation on mite populations and distribution. Research Objective 2 - Develop an economic threshold for mite-vectored virus diseases of wheat. Research Objective 3 - Identify new chemistries for efficacy in controlling the wheat curl mite. Extension Objective 1- Develop multi-media educational tools and programs for mite-vectored virus diseases of wheat. Extension Objective 2 - Develop a First Alert system for Mite-Vectored Virus Disease |
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