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Research Projects Subjects of Investigation at this Location

Each ARS research project has related subjects of investigation.  Listed below are the subjects of investigation currently conducted at this location.

Clicking on a subject of investigation will list the research projects within that  subject of investigation.
Subjects of Investigation

Air
Alfalfa
Almond
Apple
Apricot
Atmosphere, general/other
Barley
Beans (dry)
Beans (fresh, fresh-processed)
Bedding/garden plants
Beef cattle, general/other
Beef cattle, live animal
Berries and cane fruits, other
Blueberry
Carrot
Cherry
Citrus, general/other
Climate
Cocoa
Coffee
Cole crops (includes cabbage, kale, broccoli, brussels sprouts, cauliflower,
Cool season perennial grasses (includes bluegrass, bromegrass, fescue)
Corn (for sweetcorn use 1480)
Cotton, other
Cottonseed (for meal, oil, etc.)
Cranberry
Cross-commodity research--multiple crops
Cucurbits, other (includes pumpkin, squash, gourd)
Cut flowers, foliage, and greens
Dairy cattle, live animal
Date
Deciduous and small fruits, general/other
Deciduous tree fruits, other
Desert and semidesert shrub land and shinnery
Drainage and irrigation facilities and systems
Durum wheat
Edible tree nuts, general/other
Eggplant
Eggs
Fertilizers
Fiber crops, general/other
Filbert
Flax
Florist crops, other
Food (not readily associated with specific plant and animal products)
General Commodity
Goats, meat and mohair
Grain crops, general/other (includes buckwheat, millet, triticale)
Grain sorghum
Grapefruit
Grapes, other
Greens and leafy vegetables (includes endive, lettuce, spinach)
Guayule
Hard red spring wheat
Hard red winter wheat
Hemp
Herbaceous perennials and decorative greens
Honey bees
Hops
Horses, ponies, and mules
Individuals (as workers, consumers, members of society)
Insects
Kiwi
Land
Leguminous vegetables, other
Lemon
Lentil
Lesquerella
Long fiber cotton
Mango
Meat-type chicken, live animal
Melons (includes cantaloupe, muskmelon, watermelon)
Microorganisms, general/other
Milk
Mint
Miscellaneous and new crops, general/other
Mountain grasslands, meadow, and alpine
Mushrooms and other edible fungi
Nematodes
Oats
Oilseed and oil crops, general/other
Onion, garlic, leek, shallot
Orange
Ornamental trees and shrubs
Ornamentals and turf, general/other (includes cacti)
Other bees (non-Apis bees)
Other non-bee pollinators, general
Papaya
Parks and urban green space
Pasture
Pasture and forage crops, general/other
Peach
Peanut
Pear
Peas (dry)
Peas (fresh, fresh-processed)
Peppers
Perennial grasses, other
Pineapple
Pinyon-juniper
Plant research, general
Potato
Potted plants
Poultry meat
Raisin grapes
Rangelands and grasslands, general
Rangelands, other
Raspberry
Remote sensing equipment and technology
Research equipment and methods, general/other
Rice
Rubber, gum, and resin plants, other
Rye
Salmon
Seeds and other plant propagules
Sewage and waste disposal facilities and systems
Sheep, live animal
Shellfish
Soft red wheat
Soft white wheat (includes club, western)
Soil
Soil and land, general
Solanaceous and related crops, general/other (for potato use 1310)
Soybean
Spiders, mites, ticks, and other arthropods
Strawberry
Structures, facilities, and equipment, general/other
Sugar beet
Sugar cane
Sweet potato
Swine, general/other
Swine, live animal
Table grapes
Taro
The farm as an enterprise
Tomato
Trees, forests, and forest products, general
Tropical/subtropical fruit, general/other
Trout
Turf (includes bentgrass, bermudagrass, bluegrass, dichondra, fescue)
Upland cotton
Vegetables, general/other
Walnut
Warm season perennial grasses (includes dallisgrass, bluestems)
Water resources
Watersheds
Watersheds and river basins, general
Weather
Weeds
Wetland and riparian systems
Wheat, other
Wild animals
Wildlife and natural fisheries, general/other
Wine grapes
Wood and wood products
Research Projects within Grapes, other
item Agricultural Water, Land Retirement, and Habitat on the Pacific Flyway: A Non-market Value Assessment
item AI/Machine-Learning Software for Measurement of EPG Waveforms from Mosquito Feeding
item Application of a Watershed Model to Assess Groundwater Sustainability Under Changing Climatic and Management Scenarios
item Applications of Innovative Sensors to Quantify Atmospheric and Subsurface Fluxes of Water, Energy, and Contaminants
item Assessing the Fate of Metal Oxide Associated Contaminants During Managed Aquifer Recharge
item Biological Fungicides Tank Mixed with Sulfur for Management of Grape Powdery Mildew
item Breeding and Evaluation of Raisin Grapes with Superior Quality Including Disease Resistance and Natural Dry on Vine Types
item Breeding and Evaluation of Seedless Raisin Grapes with Superior Quality Including Types Resistant to Powdery Mildew
item Breeding and Evaluation of Seedless Table Grapes Including Types Resistant to Powdery Mildew
item Breeding Prunus and Vitis to Improve Disease Resistance, Fruit Quality, and Climate Change Adaptation
item CAP- Advanced Testing and Commercialization of Novel Defensin Peptides and Therapies for HLB Control
item Climate Change Mitigation Outreach and Education: California Climate Hub
item Climate Informed Reforestation Guidance, Resources, Workshops and Extension
item Climate-informed decisions for natural and working lands
item Completing the Grapevine Powdery Mildew Resistance Pipeline: From Genes-on-the-Shelf to Sticks-in-the-Ground
item Determining Subsurface Hydraulic Properties and Water Content Using Geophysical Methods and Limited Soil/Sediment Datasets
item Development of Applied Management Systems for Diseases of Perennial Crops with Emphasis on Vector-Borne Pathogens of Grapevine and Citrus
item Development of Grape Rootstock Varieties with Broad-Spectrum Disease Resistance by Genome Editing of Cytidine Diphosphate Diacylglycerol Synthases
item Development Of Innovative Methods And Strategies For Surveillance, Early Detection And Monitoring Of Xylella Fastidiosa Epidemics
item Enhancing Specialty Crop Irrigation: Advancing Evapotranspiration Forecasting with Satellites and Machine Learning
item Evaluating Models of Radiation Transfer and Carbon-Water Exchange in Vineyard and Orchard Canopies
item Examining Perennial Crop Physiology, Evapotranspiration, and Carbon Dynamics Using Surface-based Measurements and Proximal Remote Sensing Techniques
item Fungal Microbiome Associated with Grapevine Trunk Diseases in Oregon Vineyards
item Genomics Based Technology for Identification, Tracking, Surveillance, and Pest Management of Vine Mealybug in Vineyards
item Grape Germplasm Evaluation For Vine Mealybug Resistance
item Host Range of Citrus Yellow Vein Clearing Virus
item Identification of Novel Central Valley Trichoderma Isolates for Biological Control of Pierce’s Disease in California
item Identifying Vulnerabilities in Vector-host-pathogen Interactions of Grapevine and Citrus Pathosystems to Advance Sustainable Management Strategies
item Impact of Grapevine Leafroll-associated Virus 3 Genetic Variants and Emerging Viruses on Wine Grape Quality in the Pacific Northwest
item Impact of Pediococcus on Wine Chemical and Sensory Properties
item Improved Agroecosystem Efficiency and Sustainability in a Changing Environment
item Improved Fruit, Grape and Wine Products through Precision Agriculture and Quality Component Evaluation
item Improving Irrigation Efficiencies and Sustainability in Woody Perennial Crops Specific to California
item Integrated Optimization Framework of California Water and Land Use
item Integrated Weed Management for Washington State Blueberry and Grape Production
item Knowledge Based Tools for Exotic and Emerging Diseases of Small Fruit and Nursery Crops
item Large-scale Breeding and Evaluation of the Next Generation of Superior Rootstocks for Citrus Production in Regions with Huanglongbing (HLB)
item Linking Climate Change Impacts on Forest Health, Fire Risk, and Vegetation and Snow Dynamics in California
item Linking Ground Based and Remotely Sensed Stress Physiology of California Woody Perennial Crops
item Linking Measured Root Zone Dynamics to Atmospheric and Subsurface Fluxes
item Machine Learning for Unearthing Environmental Drivers of Soil Moisture Dynamics and Scaling to Hillslope and Remote Sensing Observations
item Managed Aquifer Recharge to Sustain Irrigated Agriculture
item Model Based Evaluation of Grape Vineyard Exposure to Wildfire Smoke
item Monitoring Aquifer Recharge Dynamics in the Deep Vadose zone using Borehole Nuclear Magnetic Resonance Logging
item National Clean Plant Network
item NCPN Berries -Corvallis
item New Technologies and Methodologies for Increasing Quality, Marketability and Value of Food Products and Byproducts
item Non Funded Cooperative Agreement Between Parlier Unified School District and the USDA-ARS
item Nonequilibrium Processes Influencing Contaminant Fate During Managed Aquifer Recharge
item Pilot Citrus Breeding Research Project at the USDA-ARS San Joaquin Valley Agricultural Sciences Center in Parlier, CA
item Predicting Smoke Exposure in Vineyards.
item Pretreatment Technologies for Managed Aquifer Recharge to Mitigate Clogging and to Remove Contaminants
item Professional Support for the 2024 Virtual Phytophthora Meeting, The Genus Phytophthora: Don't Change a Winning Concept
item Quantifying Land-Atmosphere Fluxes of Carbon, Water, and Energy in Woody Perennial Cropping Systems
item Rethinking California’s Managed Aquifer Recharge Beyond Flat Terrains: A Multi-Method Assessment of Hillslope Processes
item Spatial and Ecological Considerations for Groundwater Markets and Managed Recharge
item Study of the Putative Vectors Associated with Citrus Yellow Vein Clearing Virus (CYVCV) discovered in Tulare County, California
item Substrate-borne Vibrational Signals in Intraspecific Communication of the Blue-Green Sharpshooter
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture (CA)
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture (NACA)
item The USDA Climate Hubs – Supporting Natural and Working Lands Resilience by Co-Developing and Communicating Research-Informed Agro-Climate Practices
item Unraveling the Complexities of Grape Smoke Exposure and Smoke Taint in Wine: from Uptake to Consumption
item Updating and Enhancing Statistical Analysis Software for EPG of Arthropod Feeding
item Virome Associated with Common Grape Virus Diseases in the Pacific Northwest and the Development of New Detection Tools
item Whole Genome Sequencing for Epidemiology, Population Structure, and Fungicide Resistance of Botrytis spp. in the Pacific Northwest