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Ernest S Delfosse

General Biological Science
Weed Science
esd@ars.usda.gov
Phone: (301) 504-6470
Fax: (301) 504-6191
Room 4-2230
5601 SUNNYSIDE AVENUE
GWCC-BLTSVL
BELTSVILLE, MD, 20705-5139

Projects (Appropriated | All ) 301 projects listed
item Risk Analysis and Post-Release Monitoring of Biological Control Agents of Saltcedar
item Identification, Elucidation, and Use of Disease and Nematode Resistances in Vegetable Crops
item Classical Biological Control for Invasive Eurasian Weeds in Grazing Lands and Natural Areas
item Deciduous Fruit Improvement and Protection from Pests
item Biological and Chemical Disease Control and Development of Agronomic Systems for Cacao and Alternative Crops
item Remote Sensing Technology for Management of Irrigation and Potentially Salt-Affected Soils
item Remote Sensing and Precision Irrigation to Improve Water Nutrient and Pesticide Use Efficiency
item Integrated Management and Ecology of Weed Populations in the Southeastern Coastal Plain
item Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California
item Alternatives to Chemical Control for Stored Product and Quarantine Pests of Fresh/dried Fruits and Nuts
item Rearing and Release Technology for Biological Control & Sterile Insect Releases of Fruit Flies
item Biology, Control, and Areawide Management of Fruit Flies and Other Pests
item Postharvest Treatments for Quarantine Security and Quality Maintenance of Tropical Commodities
item Integrated Weed Control and Revegetation of Temperate Desert Rangelands
item Biology and Control of Invasive Weeds in the Western Us
item Animal Waste Management Research
item Molecular and Genetic Mechanisms of Hessian Fly Resistance in Soft Winter Wheat
item Enhancing Genetic Diversity, Processing Quality, and Root Maggot Resistance in Sugarbeet
item Pathogen Transport and Dissemination from Manure
item Improved Animal Manure Treatment Methods for Enhanced Water Quality
item Integrated Farm and Ranch Management Decision Support System (Ifarm Dss)
item Improving Soil Resource Management for Irrigated Agricultural Systems
item Comprehensive Manure Management for Improved Nutrient Utilization and Environmental Qualtiy
item Improving Soil and Nitrogen Management Systems for Sustaining Land and Water Quality
item Rangeland Responses to Management and Global Change
item Plant and Animal Responses to Environment and Management
item Managing Microbial Processes of Soil Subsidence in Histosols for Sustainable Sugarcane Yield
item Improving Soil, Water, and Nutrient Management in Cropping and Integrated Crop-Livestock Systems
item Meat Goat Finishing Systems for Appalachian Small Farms
item Systems and Technologies for Sustainable Site-Specific Crop Management
item Soil Erosion, Sediment Yield and Decision Support Systems for Sustainable Water Management on Semiarid Rangeland Watersheds
item Develop and Transfer Irrigated and Non-Irrigated Peanut Management Systems and Technology
item Biological and Management Strategies to Increase Cropping Efficiency in Short-Season and High-Stress Environments
item Biological Control of Rangeland Weeds
item Developing Sustainable Crop and Animal Production Systems Suitable for the Southeast
item Genetics, Genetic Resource Evaluation, and Genetic Improvement of Landscape Trees and Shrubs
item Sustainable Potato Cropping Systems for Irrigated Agriculture in the Pacific Northwest
item Factors Contributing to Persistence of Herbicides and Strategies for Reducing off-Target Impacts
item Integrated Orchard Management for Deciduous Tree Fruit Crops
item Etiology and Biology of Diseases Affecting Deciduous Fruit/nut Trees, Grapevine, Oak Trees, and Strawberries
item Assessment of the Physiological Mechanisms Affecting Yield in Peanut Production
item Site and Time-Specific Crop, Tillage, and Nutrient Management for Sustainable Corn-Soybean Agroecosystems
item Management of Grassland and Pasture in Appalachia for Sustainable Forage and Livestock Production
item Production Systems Affecting Yield and Quality of Vegetable Crops
item Replacement of Herbicides and Methyl Bromide by Microbiological Control of Weeds
item Molecular and Morphological Systematics of Plant Pathogenic Fungi
item Improved Forages and Management Strategies for Phytoremediation and Water Quality Protection
item Improved Nitrogen and Phosphorus Acquisition and Use in Legumes
item Sustainability of Soil Resources in Weed and Crop Management Systems in Mid South Agriculture
item Enhancement of Postharvest Quality of Fruits and Vegetables and Evaluation of Commodity Treatments of Quarantined Pests
item Improved Nutrient Cycling with Perennial Forage Crops
item Disinfest Lettuce of Insects Through Postharvest Treatments and Pre-Harvest Ipm
item Improving Stocker Production in Sustainable Grazing Systems
item Remote Water Pumping and Electric Power Generation with Renewable Energy
item Global Change and the Carbon Cycle on Western Rangelands
item Epidemiology and Management of Diseases of Grasses Grown for Seed
item Sustainable Soil and Crop Management Systems for Clay Soils
item Cropping Systems and Land Management in Dryland Pacific Northwest
item Development of Pesticide Application Technologies for Spray-Drift Management and Targeted Spraying
item Aerial Application Technology for Crop Production and Protection
item Minimizing Air and Water Contamination from Agricultural Pesticides
item Atmospheric Processes of Agricultural Pollutants That Affect Air and Water Quality
item Integration of Climate Forecasts into Management and Resources Conservation Tools
item Development of Ecologically-Sound Pest, Water and Soil Management Strategies for Northern Great Plains Cropping Systems
item Genetic Improvement of Insect Pest Resistance in Wheat, Barley, and Sorghum
item Biologically-Based Integrated Management of Invasive Aquatic and Riparian Weeds
item Small Fruit and Nursery Research
item Enhancing Soil-Water-Nutrient Processes in Southern Piedmont Pasture and Crop Systems
item Whole Farm Management of Animal Wastes and Other Agricultural Effluents
item Disease Control Through the Enhancement of Resistant Sugarcane Germplasm
item Soil Resources in the Coastal Plain: Process Characterization, Management Impacts & Assess. Tools
item Potato Research
item Epidemiology and Control of Xylella Diseases and Their Insect Vectors
item Improved Quarantine Procedures for Insect and Mite Pest in Temperate Fruits and Vegetables
item Development of Water Management Technology and Efficient Cropping Systems for the Mid South
item Rangeland Assessment, Management and Restoration
item Rangeland Assessment, Management and Restoration
item Astragalus and Oxytropis Poisoning in Livestock
item Groundwater Recharge and Wastewater Irrigation to Protect Crops and Groundwater
item Role of Natural Products in Host Resistance and Integrated Weed Management in Vegetable Crops
item Improved Quarantine Procedures for Insect and Mite Pest in Temperate Fruits and Vegetables
item Integration of Alternative Pest Management Strategies for Management of Insects and Aflatoxin Contamination
item Improved Genetic Resources for Pacific Northwest Grass Seed and Wheat Production Systems
item Biology and Management of Soilborne Diseases and Soil and Root-Inhabiting Microorganisms
item Biologically-Based Integrated Management of Invasive Aquatic and Riparian Weeds
item Integrating Remote Sensing, Climate and Hydrology for Evaluating Water, Energy and Carbon Cycles
item Quantifying Environmental Hydrology to Mitigate Detrimental Chemical Fluxes
item Integration of Research Info into Decision Supportsystem for Resource Conservation & Water Quality
item Improving Erosion Prediction to Enhance Soil and Water Quality
item Glassy-Winged Sharpshooter and Pierce's Disease
item Watershed Management Systems for Improved Water Quality in the Mississippi Delta
item Climate, Watershed and Streamflow Processes in Theintermountain West
item Water Quality Protection in Irrigated Cropping Practices and Systems
item Integration of Research Information into a Decision Support System for Resource Conservation Planning and Water Quality Protection
item Development of Acoustic and Seismic Technology to Characterize Soils, Assess Water Content, and Otherwise Reduce Production Costs
item Irrigation Systems and Precision Mgmt Strategies to Conserve Water and Protect Water Quality
item Enhance Forage-Based Livestock Production Systems
item Processes, Control, and Prediction of Erosion and Runoff on Upland Areas in Agricultural Watersheds
item Forages for New Uses, Enhanced Quality, & Stress Tolerance Through Genomics and Genetic Improvement
item Management and Economics of Integrated Forage and Animal Production Systems
item Environmentally Friendly Forage-Livestock Systems for the Subtropical U.S.A.
item Genetic Enhancement of Warm-Season Perennial Forage and Range Grasses
item Pasture Based Beef Systems for Appalachia
item Poisoning of Livestock by Various Larkspur Species(delphinium)
item Ameliorating Livestock Losses from Abortifacient and Teratogenic Plants
item The Toxicity of Pyrrolizidine Alkaloid-Containing Plants and Other Hepatotoxic and Neurotoxic Plants
item Sheep Grazing-Rangeland Ecology Relationship
item Reducing Nitrate Contamination to Surface Waters from Artificially Drained Soils
item Integration of Res. Info. into a Decision Support System for Resource Conservation & Water Quality
item Improved Plants and Production Practices for Grasslands and Biomass Crops in the Mid-Continental Usa
item Disinfest Lettuce of Insects Through Postharvest Treatments and Pre-Harvest Ipm
item Improved Forages and Management Strategies for Phytoremediation and Water Quality Protection
item Management Practices to Reduce Movement of Agro-Chemicals to Surface and Ground Waters in Nc U.S.
item Improving Salt Tolerance in Small Grain Crops Using Physiological Approaches
item Insect Cold Storage: Using Cryopreservation and Dormancy As Aids to Mass-Rearing of Insects
item Impact of Land Use on Hydrologic and Environmental Processes for Watersheds in the Coastal Plain
item Sustaining Rural Economies Through New Water Management Technologies
item Weed Biology and Ecology and Development of Sustainable Integrated Weed Management Systems for Cotton, Soybean, and Corn
item Biodiversity Management in Northeastern Grazing Lands
item Management of Grassland and Pasture in Appalachia for Sustainable Forage and Livestock Production
item Sustainable Management of Forage-Livestock Systems in the Southern Plains
item Develop and Manage Forage Resources for a Sustainable Agriculture
item Integrated Forage, Crop, and Livestock Systems for Northern Great Plains
item Biological Buffers for Improving Water Quality in Agricultural Landscapes
item Cotton Integrated Pest Management and Crop Improvement for the Western U.S.
item Managing Crop Production in Semi-Arid Climates with Variable Water Sources and Amounts
item Genetic Enhancement and Management of Warm-Season Grass Species for Forage and Alternative Uses
item Improved Plant Genetic Resources for Pastures and Rangelands in the Temperate Semiarid Regions of the Western U.S.
item Integrated Drainage Management and Flood-Tolerant Cropping Systems for Humid Areas
item Production and Stabilization of Living Microbial Agents
item Insect-Plant-Microorganism Interations Affecting Corn Quality and Safety
item Integrating Remote Sensing, Gps, and GIS for Precision Agriculture and Natural Resources Management
item Enhanced Disease Resistance and Improved Methods of Plant Selection for Alfalfa and Other Legumes
item Germplasm Development for Southern Plains Agricultural and Rangeland Ecosystems
item Development of Models for Water Quality Management and Resource Assessments
item Host-Plant Resistance, Biological and Ecological Studies of Insect Pests of Corn
item Integrated Effects of Management, Land Use and Climate on Regional Water Resources
item Biological Control of Rangeland Weeds
item Functional Genomics-Based Management of Stored-Product Insect Pests
item Soil Erosion Prediction Technology for Improved Conservation Planning and Environmental Protection
item Soil Erosion and Water Quality Management
item Biologically Based Weed Management: Developing Experimental Systems for Fundamental Research on Dormancy
item Hydrologic Processes, Scale, Water Resources, and Global Change for Semiarid Watershed Management
item Scaling & Modeling Space-Time Variability of Landscape Processes to Enhance Management
item Optimizing Nutrient Management to Sustain Agricultural Ecosystems and Protect Water Quality
item Plant and Animal Responses to Environment and Management
item Management of Southeastern Grazinglands and Livestock to Optimize Small Farm Sustainability
item Crop and Soil Management Systems for Water Quality Protection and Agricultural Sustainability
item Development of Alternative Practices for Improved Watershed Management
item Soil Erosion, Sediment Yield and Decision Support Systems for Sustainable Water Management on Semiarid Rangeland Watersheds
item Integrated Pest Management Strategies for Alaskan Agriculture
item Irrigated Crop Management Utilizing Remote Sensing
item Ecologically-Based Management of Field Crop Pests and Pests of Man and Animals
item Nutrient, Pesticide, and Water Management for Horticulture Crop and Water Quality Protection
item Sustainable Systems for Integrated Pest Management and Conservation & Enhancement of Natural Enemies
item Irrigation and Drainage Water Management to Sustain Productivity and Protect Water Quality
item Integrated Management and Ecology of Weed Populations in the Southeastern Coastal Plain
item Alternatives to Chemical Control for Stored Product and Quarantine Pests of Fresh/dried Fruits and Nuts
item Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California
item Biology and Control of Invasive Weeds in the Western Us
item Biologically-Based Technologies for Management Crop Insect Pests in Local and Areawide Programs
item Integrated Weed Control and Revegetation of Temperate Desert Rangelands
item Postharvest Treatments for Quarantine Security and Quality Maintenance of Tropical Commodities
item Biology, Control, and Areawide Management of Fruit Flies and Other Pests
item Insect Genomic Biodiversity and Molecular Regulation of Diapause
item Rearing and Release Technology for Biological Control & Sterile Insect Releases of Fruit Flies
item Biocontrol Organisms Databases and Assessments
item Area-Wide Management of Agricultural Pests
item Area-Wide Suppression of Fire Ant Populations in Pastures
item Remote Sensing and Precision Irrigation to Improve Water Nutrient and Pesticide Use Efficiency
item Decision Support Tools and Databases for Optimal Management of Chemically-Affected Soils
item Salt and Trace Elements in Irrigated Systems: Processes, Predictions and Management
item Areawide Pest Management Program for Russian Wheat Aphid and Greenbug
item The Ecological Areawide Management of Leafy Spurge
item Salinity and Trace Element Management in Irrigated Agricultural Systems
item Weed Impacts and Other Physiological Stresses in Rice
item Developing Integrated Weed and Insect Pest Management Systems for Efficient and Sustainable Sugarcane Production
item Integrated Water, Agrochemical and Crop Management Systems to Sustain Water and Soil Quality
item Developing Biological/ecological Knowledge for Enhancing Weed Management Systems
item Control of Perennial and Annual Weeds Umbrella Project
item Risk Analysis and Post-Release Monitoring of Biological Control Agents of Saltcedar
item Ecologically-Based Management of Selected Insects Associated with Corn
item Low Risk Management Strategies for Sustaining Range Beef Cattle Production Systems
item Biology, Ecology, and Management of Problem Weeds in Pacific Northwest Agro-Ecosystems
item Classical Biological Control for Invasive Eurasian Weeds in Grazing Lands and Natural Areas
item Biorational Cereal Aphid Management
item Development and Utilization of Simple Sequence Repeat (Ssr) Molecular Markers for the Improvement of Alfalfa and Related Species
item Optimizing Irrigation Management for Humid Climates
item Resistance Monitoring and Resistance Management of Lepidoptern Spp. Infesting Bt Cotton
item Replacement of Herbicides and Methyl Bromide by Microbiological Control of Weeds
item Minor Use Pesticides Umbrella Project
item Minor Use Weed Management
item Minor Use Pesticides - Food/ornamentals
item Herbicide Efficacy and Residue Studies in Pacific Northwest Minor Acreage Crops
item Pesticide Trials in Vegetable and Ornamental Cropsto Support the Ir-4 Program
item Discovery & Development of Biological Control Agents for Melaleuca, Lygodium & Other Weeds
item Population Biology of Agents Introduced for Biocontrol of Arthropod Pests and Weeds
item Management of Japanese Beetle and Other Beetles of Quarantine Significance in Nursery Crops
item Biological Control of Gypsy Moth and Other Tree Pests and Quarantine Service for Beneficial Insects
item Designing Forage Plants with Enhanced Value for Dairy Production, Profitability, and Sustainability
item Chemistry and Biochemistry of Insect Behavior, Physiology, and Ecology
item The Control and Biology of Insect Pests of Horticultural Crops
item Risk Assessment Associated with the Introduced Natural Enemies of Purple Loosestrife
item Molecular Genetics and Host-Parasite Interactions of Fungal Pathogens of Forage Legumes and Grasses
item Control of Pecan Arthropod Pests
item Development of Biological Control and Related Technologies for Invasive Insect Pests with Emphasis on the Asian Longhorn Beetle
item Entomopathogenic Fungi for Microbial Control of Greenhouse and Vegetable Pests
item Low-Input Forage Management Systems for Resource-Limited Livestock Producers
item Biorational Technologies for Colorado Potato Beetle and Corn Rootworm Control
item Improved Rearing Techniques for Insects Used in Biological Control of Insect and Weed Pests
item Foreign Exploration for Natural Enemies of Insects, Weeds, and Plant Pathogens
item Discovery, Biology & Ecology of Natural Enemies of Insect Pest of Crops, Urban & Natural Areas
item Development of Biological Control and Ipm Technology for Exotic Insect Pests
item Biological Control of Exotic and Invasive Pests
item Continued Development of the Famu Science Center
item Area-Wide Pest Management of the Tarnished Plant Bug in Cotton in Absence of the Boll Weevil
item The Areawide Pest Management and Evaluation of Melaleuca Quinquenervia
item Areawide Integrated Pest Management of Fruit Flies in Hawaiian Fruits and Vegetables
item New Approaches for Insect Pest Management in Vegetable Crops
item Combined Water Quality Initiative
item Genetic Enhancement of Turfgrass Germplasm for Reduced Input Sustainability
item National Turfgrass Evaluation Program
item Management of Insect Pests of Ornamental Trees and Shrubs
item Biocontrol Through Artificial Rearing of Natural Enemies and Manipulation of Host Plant Resistance
item Augmentation Biological Control of Insects and Weeds
item South American Biological Control Agents to Suppress Invasive Pests in the U.S.
item Evaluation and Characterization of Plant Pathogens for Biological Control of Weeds
item Magnitude of the Residue Analyses in Minor Crops from Experimental Applications of Pesticides
item Internet-Based Information Resources for Invasive Species
item Water Quality Impacts of Best MGMT.PRACTICES and Conservation Buffers on Fields, Farms & Watersheds
item Classical Biological Control Insect Pests of Crops
item Biologically-Based Pest Management for Field, Greenhouse, and Orchard Crops
item Biochemistry of Insect Pests/predators/parasitoids to Enhance Biological Control
item Analysis of Pest Control Residues in Crops for Ir-4 Minor Use Registration
item Development of Biologically Based Mechanisms of Control of Insect Pests of Fruit, Vegetable and Field Crops
item Evaluating Water Quality Processes for Development of Risk Assessment and Decision Support Tools
item Field Testing of Minor Use Pesticides
item Surface Irrigation Water Quality and Management
item Management of Water Supplies for Irrigation
item Water Management and Quality for Improved Agricultural Ecosystems in Humid Regions
item Field Trials to Develop Data on Crop Protection Chemicals for Vegetable and Specialty Crops
item Minor Use Pesticide Testing on Vegetables and Sugar Crops
item Biology, Ecology, Sampling and Control of Whiteflies
item Ecologically-Based Pest Management Strategies for Western Cotton
item Residue Analysis of Minor Use Pesticides
item Control of Pathogens in Strawberry and Vegetable Production Systems
item Water Quality Improvement from Management Practices in Agricultural Watersheds
item Identification and Characterization of Pest Insect Immune Responses to Biological Control Agents
item Insect Viruses and Cell Culture: Biology and Technologies for Pest Control
item Agricultural Watershed Characterization and Evaluation
item Protection of Subtropical & Tropical Agriculture Commodities & Ornamentals from Exotic Insects
item Environmentally Sound Stream Corridor Rehabilitation and Management in Agricultural Watersheds
item Physiological Contributions of Augmentative Biocontrol of Whiteflies
item Sustainable Management Systems for Insect Pests of Shade Trees in the Mid-Atlantic Region
item Integrated Analysis of Landscape Processes for the Management of Agricultural Watersheds
item Irrigation Management to Reduce Erosion and Improve Water Use Efficiency
item Biological Control of the Coffee Berry Borer
item Biologically-Based Strategies for the Management of Sunflower Insect Pests
item Narcotic Crop Control Strategies
item Improve Formulation Technology for Biocontrol Agents of Agricultural Pests
item Decision-Making Tools for Integrated Management of Stored-Product Insects
item Prevention and Control Strategies for Stored-Product Insects
item Ecologically Based Management of Grasshoppers and Other Insect Pests in the Northern Great Plains
item Validation and Application of Erosion and Sediment Transport Models & Development of Water Quality Models in Support of Dec & USDA Agencies
item Develop Biological Control Techniques and Mass Rearing Technology for Beneficial and Pest Insects
item Chemical Signals for Managing Insects
item Ecology and Management of Great Basin Rangelands
item Native and Other Perennial Warm-Season Grasses for Sustainable Farming Systems in the Southeastern Usa
item Weed Management and Revegetation in the Great Basin
item Biological Control of Saltcedar and Other Exotic Rangeland Pests
item Alternatives to Methyl Bromide Soil Fumigation for Vegetable and Floriculture Production
item Management and Recycling of Drainage Waters for Water Quality Protection in the Midwest
item Minor Use Pesticide Testing on Floral and Nursery Crops
item Coordination Activities for Research to Register Minor Use of Pesticides
item Irrigation Methods, Technology and Management for Increased Water Use Efficiency
item Engineering Measures for Rehabilitation of Flood Control Structures and Channels
item Water Management Evaluation in Regions with High Water Table
item Technologies for Management of Arid Rangelands
item Enhancement of the Activity of Microbial Agents for Biological Control of Insect Pests
item Pest Biology, Ecology, and Integrated Pest Management for Sustainable Agriculture
item Development of Biological Control Agents for Weeds
item Alternatives to Methyl Bromide for Management of Soilborne Pathogens in Ornamental Crops
item Communications and Insect and Mite Taxonomic Services
item Systematics & Biology of Moths, Leafhoppers & Truebugs of Importance to Agriculture & Silviculture
item Systematics of Flies of Importance in Biological Control, Agricultural Crops and Forests
item Biology and Ecology of Crop Pests Emphasizing Areawide Suppression of Boll Weevil and Corn Earworm
item Beetle Systematics in Support of Agriculture Biological Control Urban and Forest Pest Mgmt.
item Systematics of Mites, Scales, Aphids, Thrips, Termites & Whiteflies of Agricultural Importance
item Systematics of Parasitic and Plant-Feeding Wasps of Agricultural Importance
item Nematode, Disease, Weed, Insect and Mite Control on Minor Food Crops and Ornamentals
item Biology and Management of Secondary Pests of Cotton after Boll Weevil Eradication
item Develop Postharvest Chemical and Non-Chemical Mb Alternatives for Quality Maintenance of Fresh California Grown Commodities
item Sustainable Systems for Control of Soilborne Diseases in Tree Fruit Agro-Ecosystems
item Biological Technologies As Alternatives to Chemicals for Control of Soilborne Plant Pathogens
item Management of Subtropical Fruit and Vegetable Pests Using Quarantine Alternatives
item Biological Control of Fusarium Wilt and Other Soilborne Plant Pathogenic Fungi
item Improving Efficacy of Fumigants by Promoting Uniform Dispersion in Soil and Minimizing Emissions to the Atmosphere
item Integrated Pest Management of Insects Affecting Corn, Cotton, Soybean, and Sweetpotato
item Chemically Based Methods As Alternatives to Methyl Bromide for Postharvest and Quarantine Pests
item Research/management of Insects and Tree Fruit
item Nonchemical Control of Insect Pests of Potatoes

Publications
item Lessons in Developing Successful Invasive Weed Control Programs- (04-Dec-01)
Program Teams
   Water Quality & Management (201)
   Rangeland, Pasture, and Forages (205)
   Crop Protection & Quarantine (304) (co-leader)
   Methyl Bromide Alternatives (308)
   
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