Printable Version     E-mail this page Find People Find Biocontrol Expert Find Places Area Offices International Technology Transfer Offices Organization Chart   You are here: People & Places / Peter K Bretting Crop Production and Protection General Biological Science Plant Germplasm & Genomes Phone: (301) 504-5541 Fax: (301) 504-6191 Room 4-2212 5601 SUNNYSIDE AVENUE GWCC-BLTSVL BELTSVILLE, MD, 20705-5139 Projects (Appropriated | All ) 341 projects listed PLANT RESISTANCE, BIOLOGY, AND RESISTANCE MANAGEMENT OF INSECT PESTS OF CORN GLASSY-WINGED SHARPSHOOTER AND PIERCE'S DISEASE GENOMIC APPROACHES TO IMPROVING TRANSPORT AND DETOXIFICATION OF SELECTED MINERAL ELEMENTS IN CROP PLANTS MOLECULAR DEVELOPMENTAL GENETICS OF POLLEN AND POLLEN-PISTIL INTERACTIONS IN CROP PLANTS GENOMICS AND PROTEOMICS APPROACHES TO BROADENING RESISTANCE OF SOYBEAN TO PESTS AND PATHOGENS DEVELOPMENT OF INTEGRATED SYSTEMS FOR SUBTROPICAL/TROPICAL FRUIT CROP PRODUCTION INTEGRATED MANAGEMENT STRATEGIES RELATED TO INSECTS FOR ESTABLISHED AND INVASIVE PEST SPECIES RESISTANCE MANAGEMENT AND INJURY POTENTIAL OF LEPIDOPTEROUS PESTS TO TRANSGENIC COTTONS INTEGRATED PEST MANAGEMENT FOR ALASKA AGRICULTURE DEVELOPMENT AND APPLICATION OF MOLECULAR PHYLOGENETICS OF FUNGI TO ENHANCE FOOD SAFETY AND FOOD SECURITY BIOLOGICALLY BASED WEED MANAGEMENT: FUNDAMENTAL RESEARCH ON DORMANCY AND THE GENETICS OF WEEDS SUCROSE ACCUMULATION AND RETENTION IN SUGARBEETS INFLUENCE OF ROOT GROWTH, DEVELOPMENT, AND FUNCTION ON HORTICULTURAL CROP PRODUCTIVITY AND QUALITY IDENTIFICATION AND CHARACTERIZATION OF GENES IMPORTANT DURING SEED DEVELOPMENT IN LEGUMES PHYSIOLOGICAL AND GENETIC BASIS OF COTTON ACCLIMATION TO ABIOTIC STRESS CONTROL OF PERENNIAL AND ANNUAL WEEDS UMBRELLA PROJECT COORDINATED ANALYSIS OF SOYBEAN BREEDING GERMPLASM DEVELOPMENT OF EFFICIENT AND PRACTICAL METHODS FOR PRODUCING ARBUSCULAR MYCORRHIZAL FUNGI PSEUDOMONAS SYRINGAE SYSTEMS BIOLOGY RESOURCES FOR IDENTIFICATION OF PLANT DISEASE RESISTANCE REGULATORY SEQUENCES, GENES AND SIGNALING COMPONENTS FOR CROP PROTECTION STRATEGIES EXOTIC PATHOGENS OF CITRUS DEVELOP IMPROVED TECHNOLOGIES FOR SOILLESS GREENHOUSE PLANT PRODUCTION TO MINIMIZE WATER, LABOR, AGROCHEMICAL INPUTS & ENVIRONMENTAL IMPACTS PHYSIOLOGICAL/BIOCHEMICAL MECHANISMS ASSOCIATED WITH GENETIC ALTERATION OF SOYBEAN QUALITY AND PRODUCTIVITY MOLECULAR RESOURCES FOR THE IMPROVEMENT OF TROPICAL CROPS GERMPLASM DEVELOPMENT FOR SOUTHERN PLAINS RANGELAND AND PASTURE LANDSCAPES ENHANCEMENT OF SORGHUM FOR BIOENERGY, FEED, AND FOOD VALUE POTATO GENETICS, CYTOGENETICS, DISEASE RESISTANCE, AND PRE-BREEDING UTILIZING WILD AND CULTIVATED SPECIES ENHANCING RESISTANCE TO DISEASES AND ABIOTIC STRESSES IN ALFALFA AND EDIBLE LEGUMES MOLECULAR AND GENETIC ENHANCEMENT OF ABIOTIC STRESS TOLERANCE IN SORGHUM GENETIC IMPROVEMENT OF PERENNIAL FORAGE AND TURF GRASSES FOR THE SOUTHERN UNITED STATES GENETIC IMPROVEMENT OF PERENNIAL FORAGE AND TURF GRASSES FOR THE SOUTHERN UNITED STATES DEVELOPMENT OF POTATO VARIETIES AND GERMPLASM WITH IMPROVED RESISTANCES, PRODUCTION EFFICIENCIES, AND TUBER QUALITIES FOR THE WESTERN U.S. POTATO GERMPLASM ENHANCEMENT THROUGH TRAIT DISCOVERY, GENETIC EVALUATION AND INCORPORATION VEGETABLE GRAFTING FOR RESISTANCE TO SOILBORNE DISEASES GENETIC ENHANCEMENT OF POTATOES FOR NUTRITIONAL AND PROCESSING QUALITY AND FOR RESISTANCE TO DISEASES IMPROVED PLANT GENETIC RESOURCES FOR PASTURES AND RANGELANDS IN THE TEMPERATE SEMIARID REGIONS OF THE WESTERN U.S. IDENTIFICATION OF FUNCTIONAL SEQUENCE IN PLANT GENOMES THROUGH BIOINFORMATIC, GENOMIC, AND GENETIC APPROACHES COMBINING CONVENTIONAL AND MOLECULAR TECHNIQUES TO IMPROVE SEED COTTON VALUE BREEDING SELECTION AND MOLECULAR CHARACTERIZATION FOR IMPROVED SUGAR BEET GERMPLASM COOL SEASON GRAIN LEGUME GENETIC ENHANCEMENT AND PATHOLOGY GENETIC ENHANCEMENT FOR RESISTANCE TO BIOTIC AND ABIOTIC STRESSES IN HARD WINTER WHEAT EVALUATION, ENHANCEMENT, GENETICS AND BREEDING OF LETTUCE, SPINACH, AND MELON GENETIC IMPROVEMENT OF SUGARCANE BY CONVENTIONAL AND MOLECULAR APPROACHES GENETIC IMPROVEMENT OF CITRUS GENOMICS, GERMPLASM EVALUATION, AND GENETIC IMPROVEMENT OF OATS CHARACTERIZATION OF STRESS RESISTANCE GENES AND MECHANISMS, & IMPROVEMENT AND GENOTYPING OF WHEAT AND BARLEY GERMPLASM FOR THE WESTERN U.S. DEVELOP STRESS-RESISTANT DRY BEAN GERMPLASM AND SUSTAINABLE PEST MANAGEMENT STRATEGIES FOR EDIBLE LEGUMES INCREASING THE COMPETITIVE POSITION OF U.S. SOYBEANS IN GLOBAL MARKETS THROUGH GENETIC DIVERSITY AND PLANT BREEDING IMPROVING GRAPE ROOTSTOCK AND SCION PEST AND DISEASE RESISTANCE IMPROVEMENT OF PEST RESISTANCE AND QUALITY TRAITS OF SOYBEAN GENOMICS AND MOLECULAR APPROACHES TO WHEAT TRAITS ENHANCING DISEASE RESISTANCE AND OIL QUALITY ATTRIBUTES OF PEANUT REDUCING SOYBEAN YIELD LOSSES THROUGH GENETIC IMPROVEMENT SUGARBEET GERMPLASM DEVELOPMENT AND INNOVATIVE GENETIC AND MANAGEMENT APPROACHES TO REDUCING LOSSES CAUSED BY PATHOGENS SUNFLOWER GERMPLASM DIVERSIFICATION AND CHARACTERIZATION UTILIZING WILD SUNFLOWER SPECIES, CYTOGENETICS, AND APPLIED GENOMICS FUNCTIONAL AND STRUCTURAL GENETIC ANALYSIS OF SOYBEAN AND OTHER LEGUMES IMPROVEMENT OF PRUNUS AND VITIS SCIONS FOR FRUIT QUALITY AND PEST RESISTANCE VEGETABLE AND ORNAMENTAL RESEARCH IN THE GULF SOUTH DEVELOPMENT OF IMPROVED PEANUT GERMPLASM AND RESISTANCE TO DISEASE AND NEMATODE PESTS DEFINING THE GENETIC DIVERSITY AND STRUCTURE OF THE SOYBEAN GENOME AND APPLICATIONS TO GENE DISCOVERY IN SOYBEAN AND WHEAT GERMPLASM GENETIC ENHANCEMENT OF TURFGRASS GERMPLASM FOR REDUCED INPUT SUSTAINABILITY ENHANCING SUSTAINABILITY OF POTATO SYSTEMS IN THE NORTHEAST CROPPING SYSTEMS RESEARCH GENETIC IMPROVEMENT OF FLORAL CROPS FOR PEST, DISEASE, AND STRESS TOLERANCE AND ORNAMENTAL QUALITIES SUSTAINABLE CROPPING SYSTEMS FOR THE NORTHEAST DEVELOPMENT OF DOMESTIC NATURAL RUBBER-PRODUCING INDUSTRIAL CROPS THROUGH BIOTECHNOLOGY INTEGRATED MANAGEMENT OF PESTS AFFECTING COTTON: PLANT GENETICS, BIOCONTROL, AND NOVEL METHODS OF PEST ESTIMATION CROP AND WEED RESPONSES TO INCREASING ATMOSPHERIC CARBON DIOXIDE ENHANCING THE SUSTAINABILITY OF COTTON PRODUCTION IN THE SOUTHEAST USA PHYSIOLOGICAL AND GENETIC BASIS OF POSTHARVEST QUALITY AND PHYTONUTRIENT CONTENT OF FRUITS AND VEGETABLES PHYTONUTRIENT BIOCHEMISTRY, PHYSIOLOGY, AND TRANSPORT GENOMICS AND PROTEOMICS OF STORED-PRODUCT INSECTS FOR DEVELOPMENT OF NEW BIOPESTICIDES BIOLOGICALLY AND ECOLOGICALLY BASED KNOWLEDGE FOR INTEGRATED WEED MANAGEMENT SYSTEMS IMPROVING POTATO MARKET QUALITY THROUGH POSTHARVEST PHYSIOLOGY DISCOVERY OF ANTIFUNGAL COMPOUNDS FROM LOW VALUE/UNDERUTILIZED CROPS AND CROP CO-PRODUCTS EMERGING TECHNOLOGIES TO MAINTAIN POSTHARVEST QUALITY AND CONTROL DECAY OF FRESH COMMODITIES CHEMISTRY OF NATURAL PRODUCTS FOR PEST MANAGEMENT AND CROP DEVELOPMENT ENHANCE HARD SPRING AND DURUM WHEAT QUALITY AND UTILIZATION OAT QUALITY IMPROVEMENT ENHANCE WHEAT QUALITY AND UTILIZATION IN THE WESTERN U.S. PRODUCTION SYSTEMS TO PROMOTE YIELD AND QUALITY OF GRAPES IN THE PACIFIC NORTHWEST PECAN CULTIVATION AND DISEASE MANAGEMENT CONTROL OF PERENNIAL AND ANNUAL WEEDS UMBRELLA PROJECT ENHANCEMENT OF BLUEBERRY, STRAWBERRY, AND BRAMBLES THROUGH MOLECULAR APPROACHES IDENTIFYING AND MANIPULATING DETERMINANTS OF PHOTOSYNTHATE PRODUCTION AND PARTITIONING GENETICS OF THE PATHOGEN-HOST INTERACTION IN SNAP BEAN, TOMATO, AND POTATO GENETIC AND BIOCHEMICAL MECHANISMS OF RESISTANCE TO BARLEY AND CEREAL YELLOW DWARF VIRUSES AND FUNGI APPLICATION OF PLANT-VIRAL BASED VECTORS TO THE DEVELOPMENT OF NOVEL DISEASE CONTROL STRATEGIES CROPPING SYSTEMS RESEARCH ENHANCEMENT OF BLUEBERRY, STRAWBERRY, AND BRAMBLES THROUGH MOLECULAR APPROACHES MOLECULAR CHARACTERIZATION AND DIVERSITY ASSESSMENT OF COCOA GERMPLASM IN THE AMERICAS NATIONAL PLANT DISEASES RECOVERY SYSTEM MOLECULAR GENETICS OF ASEXUAL SPORULATION AND PATHOGEN AGGRESSIVENESS IN PHAEOSPHAERIA NODORUM MOLECULAR ANALYSIS OF PLANT HOST RECOGNITION OF MAGNAPORTHE GRISEA GENETIC RESOURCES, EVALUATION AND INFORMATION MANAGEMENT OF WOODY LANDSCAPE PLANT GERMPLASM FLORICULTURE AND NURSERY RESEARCH INITIATIVE GENETICS AND GENOMICS OF SWEET POTATO AND OTHER SPECIALITY CROPS FOR IMPROVED QUALITY AND RESISTANCE TO BIOTIC AND ABIOTIC FACTORS CONSERVATION, MANAGEMENT AND GENETIC ENHANCEMENT OF SORGHUM GENETIC RESOURCES AND ASSOCIATED INFORMATION CONSERVATION, EVALUATION, AND INFORMATION MANAGEMENT OF ARID LAND PLANT GENETIC RESOURCES GENETICS AND GENOMICS OF GRAPE GROWTH, DEVELOPMENT, AND QUALITY PACIFIC FRUIT GENETIC RESOURCE MANAGEMENT AND SUSTAINABLE PRODUCTION SYSTEMS IMPROVEMENT OF PRUNUS AND VITIS SCIONS FOR FRUIT QUALITY AND PEST RESISTANCE SUGARBEET GERMPLASM DEVELOPMENT AND INNOVATIVE GENETIC AND MANAGEMENT APPROACHES TO REDUCING LOSSES CAUSED BY PATHOGENS DEFINING THE GENETIC DIVERSITY AND STRUCTURE OF THE SOYBEAN GENOME AND APPLICATIONS TO GENE DISCOVERY IN SOYBEAN AND WHEAT GERMPLASM RESEARCH TO DEVELOP STRATEGIES AND TECHNOLOGIES FOR PRESERVING PLANT GENETIC DIVERSITY IN EX SITU GENEBANKS GENETIC ENHANCEMENT OF QUALITY CONSTITUENTS IN SOLANACEOUS VEGETABLES EVALUATION OF GERMPLASM OF HORTICULTURAL AND SUGARCROPS INFORMATION TRANSFER - GENETIC RESOURCES POTATO RESEARCH FUSARIUM HEAD BLIGHT OF WHEAT AND BARLEY SMALL FRUIT CULTURAL AND GENETIC RESEARCH FOR THE MID-SOUTH FUSARIUM HEAD BLIGHT OF WHEAT AND BARLEY IMPROVED FOOD QUALITY IN DRY BEAN USING GENETIC AND MOLECULAR APPROACHES CONSERVATION, MANAGEMENT AND GENETIC ENHANCEMENT OF SORGHUM GENETIC RESOURCES AND ASSOCIATED INFORMATION GENETIC IMPROVEMENT OF FLORAL CROPS FOR PEST, DISEASE, AND STRESS TOLERANCE AND ORNAMENTAL QUALITIES ENHANCING AGRONOMIC AND VALUE-ADDED TRAITS OF CORN GERMPLASM FUNCTIONAL GENOMICS FOR IDENTIFICATION OF SOYBEAN QUALITY TRAIT GENES SMALL FRUIT AND NURSERY RESEARCH INTEGRATED STRATEGIES FOR ADVANCE MANAGEMENT OF FRUIT, NUT, AND OAK TREE DISEASES GENETIC ANALYSIS OF SELECTION RESPONSE IN MAIZE POPULATIONS BREEDING HIGH-QUALITY CORN FOR LOW-INPUT AND ORGANIC FARMING SYSTEMS SOYBEAN GENETIC MANAGEMENT AND UTILIZATION OPERATING AND DEVELOPING THE GERMPLASM RESOURCES INFORMATION NETWORK FOR THE U.S. GENETIC RESOURCES PROGRAM MOLECULAR CHARACTERIZATION AND DIVERSITY ASSESSMENT OF COCOA GERMPLASM IN THE AMERICAS SMALL FRUIT AND ORNAMENTAL GENETIC RESEARCH FOR THE MID-SOUTH GENETICS, GENETIC RESOURCE EVALUATION, AND GENETIC IMPROVEMENT OF LANDSCAPE TREES AND SHRUBS PRESERVATION AND QUALITY ASSESSMENT OF PLANT GENETIC RESOURCES TAXONOMY AND GENETIC DIVERSITY ASSESSMENT OF LANDSCAPE TREES AND SHRUBS AN INTEGRATED DATABASE AND BIOINFORMATICS RESOURCE FOR SMALL GRAINS SUNFLOWER GERMPLASM DEVELOPMENT FOR IMPROVED INSECT AND DISEASE RESISTANCE NATIONAL RHIZOBIUM GERMPLASM RESOURCE COLLECTION, GENETIC RESOURCE MANAGEMENT, SYSTEMATICS, AND BIOINFORMATICS MOLECULAR AND GENETIC MECHANISMS OF HESSIAN FLY RESISTANCE IN SOFT WINTER WHEAT NATIONAL COTTON VARIETY TEST PROGRAM GENETIC-PHYSIOLOGICAL TEAM RESEARCH TO IMPROVE PRODUCTION, FIBER QUALITY AND COMPETITIVE ABILITY OF COTTON FUNCTIONAL AND STRUCTURAL GENETIC ANALYSIS OF SOYBEAN AND OTHER LEGUMES PLANT EXPLORATIONS TO ACQUIRE CROP GENETIC RESOURCES DISCOVERING AND USING DISEASE RESISTANCE GENES IN PHASEOLUS VULGARIS FOR THE CONTROL OF RUSTS SEED INCREASE AND PHYTOSANITARY ASSESSMENT OF QUARANTINED AND TROPICALLY-ADAPTED GENETIC RESOURCES GENETIC RESOURCE MANAGEMENT OF TROPICAL/SUBTROPICAL GENETIC RESOURCES AND ASSOCIATED INFORMATION CONSERVATION AND UTILIZATION OF POTATO GENETIC RESOURCES MANAGEMENT AND GENETIC CHARACTERIZATION OF AGRICULTURAL AND BIOTECHNOLOGICAL MICROBIAL RESOURCES SUNFLOWER GERMPLASM DIVERSIFICATION AND CHARACTERIZATION UTILIZING WILD SUNFLOWER SPECIES, CYTOGENETICS, AND APPLIED GENOMICS GENETICS AND GENETIC IMPROVEMENT OF DISEASE RESISTANCE AND QUALITY TRAITS IN WATERMELON, BROCCOLI, AND LEAFY GREEN BRASSICAS GENOMICS AND BIOINFORMATICS RESEARCH IN AGRICULTURALLY IMPORTANT ORGANISMS GENETIC AND GENOMIC APPROACHES TO IMPROVE PEANUT AND CORN RESISTANCE TO DISEASE AND AFLATOXIN CONTAMINATION CONSERVATION AND UTILIZATION OF THE GENETIC RESOURCES OF APPLES, GRAPES, AND TART CHERRIES DEVELOPMENT OF IMPROVED PEANUT GERMPLASM AND RESISTANCE TO DISEASE AND NEMATODE PESTS CHARACTERIZATION, CONVERSION, AND IMPROVEMENT OF COMMON BEAN GERMPLASM MOLECULAR GENETIC TOOLS FOR POTATO AND FRUIT TREE IMPROVEMENT EXCHANGE OF CROP GENETIC RESOURCES AND ASSOCIATED DOCUMENTATION FOR THE U.S. NATIONAL PLANT GERMPLASM SYSTEM REDUCING SOYBEAN YIELD LOSSES THROUGH GENETIC IMPROVEMENT GENOMICS AND MOLECULAR APPROACHES TO WHEAT TRAITS IDENTIFICATION OF PLANT GENETIC MECHANISMS THAT INFLUENCE INSECT-POLLINATOR PREFERENCE INCREASING THE COMPETITIVE POSITION OF U.S. SOYBEANS IN GLOBAL MARKETS THROUGH GENETIC DIVERSITY AND PLANT BREEDING MOLECULAR ANALYSIS OF DEVELOPMENT TO IMPROVE COTTON FIBER DEVELOPMENT OF SOYBEAN GENEOTYPES AND MANAGEMENT SYSTEMS FOR EARLY SEASON AND STRESS ENVIRONMENTS IMPROVEMENT OF PEST RESISTANCE AND QUALITY TRAITS OF SOYBEAN IMPROVING GRAPE ROOTSTOCK AND SCION PEST AND DISEASE RESISTANCE GENETIC IMPROVEMENT OF LANDSCAPE TREES FOR DISEASE AND PEST TOLERANCE, NON-INVASIVENESS, AND ORNAMENTAL TRAITS GENOMICS, GERMPLASM EVALUATION, AND GENETIC IMPROVEMENT OF OATS WILDRICE BREEDING, GENETICS, AND GENETIC RESOURCES GENOMICS, GERMPLASM DEVELOPMENT AND IPM OF HOP COMMERCIALIZATION OF NEW INDUSTRIAL CROP GERMPLASM AND CROPPING SYSTEMS RESPONSE OF DIVERSE RICE GERMPLASM TO BIOTIC AND ABIOTIC STRESSES DEVELOPMENT AND CHARACTERIZATION OF GENETIC RESOURCES FOR AGRONOMIC AND QUALITY TRAITS USING GENOMIC TOOLS DEVELOP STRESS-RESISTANT DRY BEAN GERMPLASM AND SUSTAINABLE PEST MANAGEMENT STRATEGIES FOR EDIBLE LEGUMES CHARACTERIZATION OF STRESS RESISTANCE GENES AND MECHANISMS, & IMPROVEMENT AND GENOTYPING OF WHEAT AND BARLEY GERMPLASM FOR THE WESTERN U.S. BREEDING SELECTION AND MOLECULAR CHARACTERIZATION FOR IMPROVED SUGAR BEET GERMPLASM RESEARCH, ACQUISITION, MANAGEMENT, AND DOCUMENTATION OF PLANT GENETIC RESOURCES DEVELOPMENT AND CHARACTERIZATION OF GENETIC RESOURCES FOR AGRONOMIC AND QUALITY TRAITS USING GENOMIC TOOLS GENETIC ENHANCEMENT FOR RESISTANCE TO BIOTIC AND ABIOTIC STRESSES IN HARD WINTER WHEAT RESPONSE OF DIVERSE RICE GERMPLASM TO BIOTIC AND ABIOTIC STRESSES GENETIC IMPROVEMENT OF FREEZING TOLERANCE IN WINTER WHEAT GERMPLASM ENHANCEMENT AND GENETIC IMPROVEMENT OF COTTON GENOMIC CHARACTERIZATION AND MANIPULATION OF VALUE-ADDED TRAITS FROM RYE FOR UTILIZATION IN WHEAT IMPROVEMENT GENETICS, GENETIC IMPROVEMENT, AND IMPROVED PRODUCTION EFFICIENCY OF NURSERY CROPS IMPROVEMENT OF HARD RED SPRING AND DURUM WHEAT FOR DISEASE RESISTANCE AND QUALITY USING GENETICS AND GENOMICS PLANT GENETIC RESOURCE AND INFORMATION MANAGEMENT THE MAIZE GENETICS AND GENOMICS DATABASE GENETIC IMPROVEMENT OF CITRUS MANAGEMENT OF CITRUS AND DATE GENETIC RESOURCES AND INFORMATION CONSERVATION, CHARACTERIZATION, AND EVALUATION OF CROP GENETIC RESOURCES AND ASSOCIATED INFORMATION EVALUATION, ENHANCEMENT, GENETICS AND BREEDING OF LETTUCE, SPINACH, AND MELON GENETIC IMPROVEMENT OF SOUTHERNPEAS AND PEPPERS MANAGEMENT OF GENETIC RESOURCES FOR VITIS, PRUNUS, JUGLANS, FICUS, OLEA, PISTACIA, PUNICA, DIOSPYROS, ACTINIDIA, AND MORUS COOL SEASON GRAIN LEGUME GENETIC ENHANCEMENT AND PATHOLOGY MANAGEMENT OF TEMPERATE FRUIT NUT AND SPECIALTY CROP GENETIC RESOURCES GENETIC DISSECTION OF SEEDLING COLD TOLERANCE IN RICE (ORYZA SATIVA L.) ARCTIC AND SUBARCTIC PLANT GENETIC RESOURCES CONSERVATION, RESEARCH, AND INFORMATION MANAGEMENT THE U.S. NATIONAL FUNGUS COLLECTIONS AND DEVELOPMENT OF ON-LINE RESOURCES ABOUT FUNGI IMPROVING RUST AND FHB RESISTANCE IN HARD RED SPRING WHEAT THROUGH GENETICS AND GENOMICS COTTON GENETIC RESOURCE MANAGEMENT CHARACTERIZING AND CONSERVING THE GENETIC DIVERSITY OF CARYA POPULATIONS ACQUISITION, EVALUATION AND CONSERVATION OF TEMPERATE FORAGE LEGUME GENETIC RESOURCES GENETIC IMPROVEMENT OF SUGARCANE BY CONVENTIONAL AND MOLECULAR APPROACHES CYTOGENETIC MANIPULATION OF DURUM WHEAT BY CLASSICAL AND MOLECULAR TECHNIQUES CURATION AND DEVELOPMENT OF THE SOYBEAN BREEDER'S TOOLBOX AND ITS INTEGRATION WITH OTHER PLANT GENOME DATABASES COMBINING CONVENTIONAL AND MOLECULAR TECHNIQUES TO IMPROVE SEED COTTON VALUE STONE FRUIT BREEDING AND DEVELOPMENT GENETIC IMPROVEMENT AND EVALUATION OF HARD WINTER AND SPRING WHEATS DEVELOPMENT OF PEST, DISEASE RESISTANCE, AND STRESS TOLERANCE IN APPLE ROOTSTOCKS CONSERVATION AND UTILIZATION OF MAIZE GENETIC STOCKS CONSERVATION, CHARACTERIZATION, AND GENETIC IMPROVEMENT OF SUBTROPICAL AND TROPICAL ORNAMENTAL GERMPLASM ENHANCEMENT OF SUGARCANE GERMPLASM FOR DEVELOPMENT OF CULTIVARS AND SUSTAINABLE PRODUCTION COTTON GENOMICS AND GENETIC ANALYSIS BIOINFORMATIC METHODS AND TOOLS TO PREDICT SMALL GRAIN FIELD PERFORMANCE CONSERVATION AND UTILIZATION OF SUBTROPICAL/TROPICAL FRUIT CROPS, SUGARCANE, AND TRIPSACUM GENETIC RESOURCES EVALUATION AND IMPROVEMENT OF CEREAL GERMPLASM FOR DISEASE RESISTANCE AND WINTER-HARDINESS GENETIC IMPROVEMENT OF FRUIT CROPS THROUGH FUNCTIONAL GENOMICS AND BREEDING IDENTIFICATION OF FUNCTIONAL SEQUENCE IN PLANT GENOMES THROUGH BIOINFORMATIC, GENOMIC, AND GENETIC APPROACHES GENETIC ENHANCEMENT OF POTATOES FOR NUTRITIONAL AND PROCESSING QUALITY AND FOR RESISTANCE TO DISEASES GENETIC ANALYSES AND TRAIT MAPPING TO EXPLOIT UNTAPPED GENETIC DIVERSITY IN SORGHUM DISSECTING COMPLEX TRAITS IN MAIZE AND BIOFUEL GRASSES BY APPLYING GENOMICS, BIOINFORMATICS, AND GENETIC RESOURCES GENETIC AND GENOMIC APPROACHES TO IMPROVE INSECT RESISTANCE AND OTHER VALUE-ADDED TRAITS IN WHEAT, BARLEY, AND SORGHUM PECAN GENETICS AND IMPROVEMENT MOLECULAR AND GENETIC ENHANCEMENT OF ABIOTIC STRESS TOLERANCE IN SORGHUM GENOMIC AND GENETIC ANALYSIS OF THE CEREAL CIRCADIAN SYSTEM AND CROP PRODUCTION DEVELOPMENT OF AN INTERNATIONAL MARKER ASSISTED SELECTION PROGRAM FOR CACAO MANAGEMENT OF NATIONAL SMALL GRAINS COLLECTION RESOURCES SMALL GRAINS GENETICS AND GERMPLASM ENHANCEMENT PHYSIOLOGY AND GENETIC IMPROVEMENT OF SMALL FRUIT CROPS ENHANCING CORN WITH RESISTANCE TO AFLATOXIN CONTAMINATION AND INSECT DAMAGE DETERMINATION AND CHARACTERIZATION OF UNINTENDED EFFECTS IN GENETICALLY MODIFIED FOOD CROPS ALLIUM, CUCUMIS, AND DAUCUS GERMPLASM ENHANCEMENT, GENETICS, AND BIOCHEMISTRY SYSTEMATICS, GENETIC DIVERSITY ASSESSMENT, AND ACQUISITION OF POTATOES, CARROTS, AND THEIR RELATED WILD RELATIVES ENHANCING DISEASE RESISTANCE AND OIL QUALITY ATTRIBUTES OF PEANUT NONCHEMICAL PEST CONTROL AND ENHANCED SUGAR BEET GERMPLASM VIA TRADITIONAL AND MOLECULAR TECHNOLOGIES POTATO GERMPLASM ENHANCEMENT THROUGH TRAIT DISCOVERY, GENETIC EVALUATION AND INCORPORATION ENHANCEMENT OF SMALL FRUIT GERMPLASM THROUGH GENOMIC CHARACTERIZATION AND GENETIC IMPROVEMENT WITH EMPHASIS ON DISEASE RESISTANCE EDUCATION AND VISITOR SERVICES AT THE U.S. NATIONAL ARBORETUM DEVELOPMENT OF POTATO VARIETIES AND GERMPLASM WITH IMPROVED RESISTANCES, PRODUCTION EFFICIENCIES, AND TUBER QUALITIES FOR THE WESTERN U.S. GENETIC IMPROVEMENT OF MAIZE AND PEARL MILLET FOR RESISTANCE TO INSECTS AND AFLATOXIN GERMPLASM ENHANCEMENT OF MAIZE PROJECT (GEM) GERMPLASM ENHANCEMENT OF MAIZE (GEM) USING GENETIC DIVERSITY OF IMPROVE QUANTITATIVE DISEASE RESISTANCE AND AGRONOMIC TRAITS OF CORN POTATO GENETICS, CYTOGENETICS, DISEASE RESISTANCE, AND PRE-BREEDING UTILIZING WILD AND CULTIVATED SPECIES PLANT AND SEED CHEMISTRY GENETICS ENHANCEMENT OF SORGHUM FOR BIOENERGY, FEED, AND FOOD VALUE SCLEROTINIA DISEASES INTEGRATED MANAGEMENT OF VIRUS DISEASES OF SMALL FRUIT CROPS PHYSIOLOGICAL/BIOCHEMICAL MECHANISMS ASSOCIATED WITH GENETIC ALTERATION OF SOYBEAN QUALITY AND PRODUCTIVITY DISCOVERY AND DEVELOPMENT OF NATURAL PRODUCT-BASED WEED MANAGEMENT METHODS IDENTIFICATION AND CHARACTERIZATION OF GENES IMPORTANT DURING SEED DEVELOPMENT IN LEGUMES EXOTIC PATHOGENS OF CITRUS IDENTIFICATION, CHARACTERIZATION, AND BIOLOGY OF EMERGING FOREIGN FUNGAL PLANT PATHOGENS GENETICS, POPULATION BIOLOGY, AND HOST-PARASITE INTERACTIONS OF CEREAL RUST FUNGI AND THEIR DISEASES PATHOGEN POPULATION BIOLOGY AND GENOMICS, AND HOST RESISTANCE FOR FUSARIUM HEAD BLIGHT OF CEREALS EXOTIC, EMERGING, RE-EMERGING, AND INVASIVE PLANT DISEASES OF HORTICULTURAL CROPS BIOLOGY AND MANAGEMENT OF SOILBORNE DISEASES OF HORTICULTURAL CROPS DISCOVERY AND APPLICATION OF MICROBIAL PRODUCTION AND FORMULATION BIOTECHNOLOGIES TO ENHANCE BIOCONTROL OF FUNGAL PLANT DISEASES IMPROVED KNOWLEDGE OF VIRULENCE FACTORS TO DEVELOP POSTHARVEST DECAY CONTROL STRATEGIES SYSTEMATICS OF ALTERNARIA SPP. ASSOCIATED WITH TREE FRUITS AND INTERNATIONAL COMMERCE DOMESTIC, EXOTIC, AND EMERGING DISEASES OF CITRUS, VEGETABLES, AND ORNAMENTALS (DEED) BIOLOGY, ETIOLOGY, GENETICS, AND CONTROL OF VIRUS DISEASES OF CORN AND SOYBEAN BIOLOGY AND EPIDEMIOLOGY OF EMERGING PLANT PATHOGENIC OOMYCETES SYSTEMATICS OF MICROFUNGI USED IN BIOLOGICAL CONTROL OF PLANT DISEASES METABOLISM AND ANALYSIS OF CEREAL PHYTOCHEMICALS DISEASE CONTROL THROUGH THE ENHANCEMENT OF RESISTANT SUGARCANE GERMPLASM GENETIC AND BIOLOGICALLY-BASED MANAGEMENT OF VEGETABLE CROP DISEASES PHYSIOLOGICAL AND MOLECULAR BASES FOR PLANT-PATHOGEN SIGNALING IN VIROID AND BACTERIAL DISEASES SORGHUM FUNGAL PATHOGEN BIOLOGY AND DISEASE RESISTANCE BIOLOGICAL APPROACHES FOR MANAGING DISEASES OF TEMPERATE FRUIT CROPS CHARACTERIZATION OF HOST-PATHOGEN INTERACTIONS IN BARLEY AND WHEAT CHARACTERIZING, DETECTING, AND ELIMINATING PATHOGENS FOR THE SAFE INTRODUCTION OF PLANT GENETIC RESOURCES RESOURCES FOR IDENTIFICATION OF PLANT DISEASE RESISTANCE REGULATORY SEQUENCES, GENES AND SIGNALING COMPONENTS FOR CROP PROTECTION STRATEGIES ENHANCING RESISTANCE TO ROOT ROT PATHOGENS OF SOYBEAN INTEGRATED PEST MANAGEMENT SYSTEMS FOR CONVENTIONAL AND ORGANICALLY PRODUCED VEGETABLE CROPS MOLECULAR AND GENETIC MECHANISMS OF FUNGAL DISEASE RESISTANCE IN GRAIN CROPS NEMATODE AND DISEASE MANAGEMENT OF DECIDUOUS FRUITS CONTROL OF RUSTS OF CEREAL CROPS SOYBEAN DISEASE AND PEST MANAGEMENT EPIDEMIOLOGY AND MANAGEMENT OF FUNGAL DISEASES OF GRASSES GROWN FOR SEED IDENTIFICATION, CHARACTERIZATION, AND DETECTION OF FOREIGN AND NEWLY EMERGING DOMESTIC BACTERIA ENHANCING PATHOGEN DETECTION AND CROP PROTECTION IN SUGARBEET USING MOLECULAR TECHNOLOGIES WHEAT STREAK MOSAIC VIRUS INTERACTIONS WITH HOST AND VECTOR EPIDEMIOLOGY AND MANAGEMENT OF XYLELLA FASTIDIOSA (XF) AND OTHER EXOTIC AND INVASIVE DISEASES AND INSECT PESTS TOWARD CONTROL STRATEGIES OF EMERGING PATHOGENS AND NEMATODES OF COTTON CHARACTERIZATION & EPIDEMIOLOGY OF CITRUS TRISTEZA VIRUS & OTHER INVASIVE & EMERGING GRAFT-TRANSMISSIBLE DISEASES OF CITRUS IN CALIFORNIA INTEGRATED MANAGEMENT OF PLANT-PARASITIC NEMATODES IN COTTON AND PEANUT DETECTION, IDENTIFICATION, AND CHARACTERIZATION OF NEW AND EMERGING VIRAL AND BACTERIAL DISEASES OF ORNAMENTAL PLANTS PSEUDOMONAS SYRINGAE SYSTEMS BIOLOGY MOLECULAR APPROACHES TO UNDERSTANDING HOST RESISTANCE AND PATHOGEN VARIABILITY FOR IMPROVING POTATO DISEASE MANAGEMENT GENETIC AND CULTURAL METHODS TO MANAGE CYST NEMATODE IN SOYBEANS CONTROL OF PLANT-PARASITIC NEMATODES BY INTERFERENCE WITH INTERNAL TARGETS MANAGEMENT OF NEMATODES AND VIRUS DISEASES AFFECTING POTATO AND GRAIN CROPS GENOME-BASED STRATEGIES FOR DETECTION AND IDENTIFICATION OF PLANT PATHOGENIC PHYTOPLASMAS AND SPIROPLASMAS GENETIC AND CULTURAL METHODS TO MANAGE RENIFORM NEMATODE IN COTTON BIOLOGY, BIOLOGICAL CONTROL, AND MOLECULAR GENETICS OF ROOT DISEASES OF WHEAT, BARLEY AND BIOFUELS BRASSICAS NOVEL AGENTS AND STRATEGIES FOR MANAGEMENT OF PLANT-PARASITIC NEMATODES MOLECULAR AND MORPHOLOGICAL SYSTEMATICS AND IDENTIFICATION OF IMPORTANT PLANT PARASITIC NEMATODES SYSTEMATIC BIOLOGY OF INVASIVE AND EMERGING PLANT PATHOGENIC FUNGI SUSTAINABLE VINEYARD PRODUCTION SYSTEMS BIOLOGICAL INTEGRATED MANAGEMENT OF FIRE BLIGHT OF POME FRUITS USING ELECTRON MICROSCOPY TECHNOLOGY TO SOLVE AGRICULTURAL PROBLEMS IDENTIFICATION, CHARACTERIZATION, AND BIOLOGY OF FOREIGN AND EMERGING INSECT-TRANSMITTED PLANT PATHOGENS BIOLOGY AND CONTROL OF SUGARCANE DISEASES BY SCREENING FOR RESISTANT GERMPLASM BIOLOGY, EPIDEMIOLOGY, PATHOGENESIS, AND VECTOR SPECIFICITY OF SUGARBEET AND VEGETABLE VIRUSES PHYSIOLOGICAL MECHANISMS THAT DETERMINE CROP RESPONSE TO IRRIGATION, DISEASE AND PRODUCTION PRACTICES BIOCHEMICAL AND GENETIC BASIS OF SUCROSE PARTITIONING IN SUGARCANE STALKS FOR SUCROSE AND BIOFUEL PRODUCTION GENETIC EXCHANGE AND GENE FLOW RISKS FROM PLANTS IN AGRICULTURE MOLECULAR APPROACHES TO ENHANCE PLANT NUTRIENT CONTENT, SHELF-LIFE AND STRESS TOLERANCE MOLECULAR RESOURCES FOR THE IMPROVEMENT OF TROPICAL CROPS MOLECULAR GENETIC APPROACHES TO PEST AND PATHOGEN RESISTANCE IN SUGAR BEET, BETA VULGARIS L. FUNCTIONAL GENOMICS OF AGRONOMIC TRAITS IN DEVELOPING SEED AND POLLEN IN MAIZE AND SORGHUM CHLOROPLAST GENETIC ENGINEERING TESTING OF ADVANCED POTATO GERMPLASM FOR BIOTIC AND ABIOTIC RESISTANCES, YIELD AND PROFITABILITY COMPONENTS USE OF MOLECULAR TOOLS FOR IMPROVING THE EFFICACY OF BIOLOGICAL CONTROL STRATEGIES FOR CACAO DISEASES ESTABLISH PUBLIC DISPLAY GARDENS FOR WOODY AND HERBACEOUS LANDSCAPE PLANTS IMPROVEMENT OF BARLEY SEED QUALITY THROUGH MOLECULAR AND FUNCTIONAL GENOMIC ANALYSIS OF GENE EXPRESSION IDENTIFICATION, ELUCIDATION, AND DEVELOPMENT OF DISEASE AND NEMATODE RESISTANCES IN VEGETABLE CROPS FUNCTIONAL GENOMICS OF CEREAL DISEASE DEFENSE GENETIC ENHANCEMENT OF SOYBEAN SEED VALUE BY BIOTECHNOLOGY USING FUNCTIONAL AND APPLIED GENOMICS TO IMPROVE STRESS AND DISEASE RESISTANCE IN FRUIT TREES GENETIC MECHANISMS AND MOLECULAR GENETIC RESOURCES FOR MAIZE PHYSIOLOGICAL AND GENETIC BASIS OF COTTON ACCLIMATION TO ABIOTIC STRESS DISCOVERY AND DEVELOPMENT OF NATURAL PRODUCTS FOR PHARMACEUTICAL AND AGRICHEMICAL APPLICATIONS CHARACTERIZATION AND ENHANCEMENT OF PLANT RESISTANCE TO WATER-DEFICIT AND THERMAL STRESSES SUCROSE ACCUMULATION AND RETENTION IN SUGARBEETS INFLUENCE OF ROOT GROWTH, DEVELOPMENT, AND FUNCTION ON HORTICULTURAL CROP PRODUCTIVITY AND QUALITY PHYSIOLOGICAL, BIOCHEMICAL AND GENETIC REGULATION OF CARBOHYDRATE METABOLISM IN CEREAL TISSUES GENETIC IMPROVEMENT OF BARLEY MOLECULAR TOOLS TO MINIMIZE RISK IN GENETICALLY ENGINEERED CROPS MOLECULAR ANALYSIS OF EFFECTS OF ENVIRONMENT ON WHEAT FLOUR QUALITY AND ALLERGENIC POTENTIAL WHEAT STRIPE RUST INITIATIVE PRODUCTION OF WHEAT GERMPLASM WITH ENHANCED BAKING QUALITY GENETIC ENGINEERING OF FLORAL BULB CROPS FOR VIRUS AND NEMATODE RESISTANCE POSITIONAL CLONING IN MAIZE OF GENES THAT REGULATE PLANT ARCHITECTURE GRAPE GENETICS AND GENOMICS OF GRAPE GROWTH DEVELOPMENT AND QUALITY MOLECULAR GENETICS OF ETHYLENE BIOSYNTHESIS FUNCTIONAL GENOMICS OF PLANT ARCHITECTURE GENOMICS APPROACHES FOR IMPROVING NUTRITIONAL QUALITY OF FOOD CROP SPECIES MODIFICATION OF SOYBEAN SEED COMPOSITION FOR FOOD, FEED, AND OTHER INDUSTRIAL USES EVALUATION OF THE QUALITY AND SAFETY OF TRANSGENIC SOYBEANS GENOMICS AND PROTEOMICS APPROACHES TO BROADENING RESISTANCE OF SOYBEAN TO PESTS AND PATHOGENS FUNCTIONAL GENOMICS FOR IMPROVING NUTRIENTS AND QUALITY IN ALFALFA AND SOYBEAN TRANSGENE MANAGEMENT THROUGH SITE-SPECIFIC RECOMBINATION MOLECULAR MECHANISMS OF PHYTOCHROME SIGNALING AND GENE REGULATION MOLECULAR DEVELOPMENTAL GENETICS OF POLLEN AND POLLEN-PISTIL INTERACTIONS IN CROP PLANTS GENOMIC APPROACHES TO IMPROVING TRANSPORT AND DETOXIFICATION OF SELECTED MINERAL ELEMENTS IN CROP PLANTS STAFFING AND OPERATION FOR NATIONAL CLONAL REPOSITORIES FOR PLANT GERMPLASM HEADQUARTERS-HELD FUNDS FOR GERMPLASM RESOURCES EVALUATION Publications Gene banks offer breeders access to germplasm: Germplasm collections help to preserve genetic diversity - (Trade Journal) Robbins, J., Widrlechner, M.P., Olsen, R.T., Reed, S.M., Meerow, A.W., Hummer, K.E., Bretting, P.K., Allenstein, P., Krautmann, M. 2008. Gene banks offer breeders access to germplasm: Germplasm collections help to preserve genetic diversity. Nursery Management and Production. 24(5):53-58. PHYLOGENETIC RELATIONSHIPS AMONG NORTH AMERICAN POPCORNS AND THEIR EVOLUTIONARY LINKS TO MEXICAN AND SOUTH AMERICAN POPCORNS - (Peer Reviewed Journal) Santacruz-Varela, A., Widrlechner, M.P., Ziegler, K.E., Salvador, R.J., Millard, M.J., Bretting, P.K. 2004. Phylogenetic relationships among North American popcorns and their evolutionary links to Mexican and South American popcorns. Crop Science. 44: 1456-1467. Program Teams Plant Genetic Resources, Genomics and Genetic Improvement (301) (co-leader) Plant Biological and Molecular Processes (302) Plant Diseases (303)         Last Modified: 09/19/2008 ARS Home | USDA.gov | Site Map | Policies and Links  FOIA | Accessibility Statement | Privacy Policy | Nondiscrimination Statement | Information Quality | USA.gov | White House