ARS HomePacific West AreaWapato, WashingtonTemperate Tree Fruit and Vegetable ResearchResearch

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**Collaborations**
The Temperate Tree Fruit and Vegetable Research has a long and productive history of collaborative research involving stakeholders.

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Current collaborators and projects:
                            Biological Control of Insect Pests in Non-Crop Habitats                        
                            Genetic Insights into Leafhopper/Phytoplasma Interactions and Gene-Based Immunization for Plant Disease Control                        
                            Pyramiding of Potato Virus Y and Columbia Root-Knot Nematode Resistances using Greenhouse and Molecular Marker Screening                        
                            Advancement of Disease Resistant Germplasm using Quantitative Genetics and Marker Assisted Selection                        
                            Dev of Better Methods to Det Cultivar Resist to Internal Discoloration from Heat Necrosis, After-Cooking Darkening, Blackheart and Hollow Heart                        
                            Development of Trapping Systems for the Asian Giant Hornet                        
                            Exploring Alternatives to Neonicotinoids for Insect-Vectored Virus Management in Potatoes                        
                            RNA-Based Pesticides To Manage Insect-Vectored Plant Pathogens In Potato                        
                            Support For The Investigation Of Emerging And Persistent Potato Diseases In The Northwest                        
                            Applying Molecular Markers To Select For Promising Virus Resistant Germplasm                        
                            Tools for the Accurate Diagnosis of Two Tuber Necrotic Viruses, Potato Mop-Top Virus, and Tobacco Rattle Virus                        
                            Determining the Threat and Spread of New and Novel South American Ca. Liberibacter Species to North American Potato Crops and Wild Potato Germplasms                        
                            Enhancing Integrated Insect Pest Management Strategies for U.S. Potato Production Systems                        
                            Factors mediating long term success in a biological control introduction                        
                            Areawide Management of Insect Vectors in the Columbia Basin of Oregon                        
                            Discovery and Application of Click Beetle Attractants Toward Management of Wireworms in Oregon                        
                            Phenotyping or Optimizing Management of New Potato Lines with Improved Disease Resistance, Yield, or Quality                        
                            Identification of New ‘Ca. L. solanacearum’ Plant Pathogens and Their Psyllid Vectors and Plant Hosts in Oregon State.                        
                            Characterization of Soil Health Parameters from Nematode Infested Potato Fields in the Columbia Basin                        
                            Experimental Orchard for X-Disease and Little Cherry Disease Research                        
                            Threat and Spread of New and Novel South American Ca. Liberibacter Species                        
                            Discovery and Application of Click Beetle Attractants for IPM of Wireworms in Potatoes                        
                            Development Of Sustainable System-Based Management Strategies For Two Vector-Borne, Tuber Necrotic Viruses In Potato                        
                            Characterization of Novel Viruses Pathogenic to Potato Psyllid                        
                            Evaluating Phenotypes or Optimizing Management of New Potato Lines with Improved Disease Resistance, Yield, or Quality                        
                            Green Peach Aphid–Plant Interactions in Southern Idaho                        
                            Profiling Pathogenic Genome Variation in Novel Haplotypes of 'Candidatus Liberibacter Solanacearum' Isolated from Psyllid Species from Potato                        
                            Exploring Pathogenicity Factors of Phytoplasma Causing Potato Purple Top Disease in the Northwestern U.S.                        
                            Integrative Approaches to Understanding How Vector Proteins Affect Plant Defense and Plant-Insect Interactions                        
                            Effect of Heat Stress on Glycoalkaloid Amounts in Potato Tubers                        
                            Molecular Analysis of the Psyllids Potentially Vectoring Ca. Liberibacter Species to North American Potato Crops and Wild Potato Germplasms                        
                            Quality Assurance Services and Support for IR-4 Minor Use Pesticides Residue Laboratory in Wapato, Washington                        
                            The Development of an Effective Trapping System for the Invasive Greater Banded Hornet, Vespa tropica, in Guam                        
                            The Development of an Effective Trapping System for the Invasive Greater Banded Hornet, Vespa tropica, in Guam                        
                            Search for Wireworm Attractants in Illinois                        
                            Discovery and Application of Click Beetle Attractants for IPM of Wireworms in Potatoes                        
                            Asian Giant Hornet (AGH) Lure Development                        
                            Treatment Development for Apple Maggot Fly in Apples using Vacuum Steam Method                        
                            Identification of new ‘Candidatus Liberibacter solanacearum’ Haplotypes and Their Psyllid Vectors and Plant Hosts in the Northwest United States                        
                            Spotted Wing-Drosophila Areawide Project - Phase II                        
                            USDA-ARS/Washington State University Little Cherry Disease Research Partnership                        
                            Assessing Whether Potato Leafroll Virus Transmission and Feeding Behavior of the Green Peach Aphid in Potatoes is Altered by Afidopyropen                        
                            Identifying the Sources of Aphids and Aphid-vectored Viruses Afflicting Potato Fields                        
                            Areawide Management of Insect Vectors in Columbia Basin Vegetable and Seed Crops                        
                            Improved Lure Development and Models to Aid in Eradication of Northern Giant Hornet                        
                            Understanding Differences in P. allius Populations from North Dakota and Washington State, and their Role in TRV Transmission in Potato                        
                            Identification of New ‘Ca. L. solanacearum’ Plant Pathogens and Their Psyllid Vectors and Plant Hosts in Washington State.                        
                            Field Testing of Minor Use Pesticides                        
                            The Whirligig Mite and New Biological Control Opportunities in Potatoes                        
                            Genetic Insights into Leafhopper/Phytoplasma Interactions and Gene-based Immunization for Plant Disease Control                        
                            Improving Potato Performance and Quality through Breeding and Management                        
                            Identifying Important Parasites and Predators of Potato Psyllid in Non-Crop Habitats of the Columbia Basin                        
                            Assessing Traits or Optimizing Management of New Potato Lines with Improved Disease Resistance, Yield, or Quality                        
                            Biological Control of Insect Pests                        
                            Application of Image Analysis Techniques to Quantify Potato Processing Quality and Disease Symptomatology                        
                            Areawide Management of Insect Vectors in the Columbia Basin of Washington                        
                            Tactics To Improve Natural Enemy Releases In Tree Fruit                        
                            Identification of Pear Tree Volatiles Attractive to Winterform Psylla                        
                            What Factors Impact Mite Outbreaks In Pear?                        
                            Novel Control of Codling Moth with RNA Interference                        
                            Genetic Engineering of Moth Viruses for Enhanced Insecticidal Efficacy                        
                            Calibrating Current NE Action Thresholds with Lure-Baited Trap Catch