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Faculty Working in Advanced Agricultural and Food Systems

  • Professor of Entomology


814-863-2982

Areas of Expertise:
  • Soil Entomology and Ecology
  • Sustainable and Organic Agriculture
  • Insect Pathology
  • Women and Gender in Science
  • Women and Agriculture
  • Professor of Horticulture


814-863-2198

Areas of Expertise:
  • Informal seed systems in Southeast Asia
  • Temperate zone woody plants
  • Christmas tree management
  • Extension and advisory systems for developing countires
  • Distinguished Professor of Agronomy


814-863-1016

Areas of Expertise:
  • Soil Fertility
  • Soil Testing
  • Nutrient Management
  • Manure Management
  • Professor of Mushrooms


814-863-7059

Areas of Expertise:
  • Mushroom cultivation
  • Composting
  • Mushroom nutrition and physiology
  • IPM and Disease Management for Mushroom cultivation
  • Mushroom extension services for the North American mushroom industry
  • Professor of Plant Stress Biology


814-863-2260

Areas of Expertise:
  • Root phenomics
  • Anatomical traits affecting water and nutrient acquisition
  • Genome-wide association studies
  • Root hairs
  • Associate Professor of Soil Science/Microbial Ecology


814-863-0779

Areas of Expertise:
  • Soil microbiology
  • Nitrogen cycle
  • Soil quality
  • Ecological restoration
  • Biogeochemistry
  • Faculty Instructor, Ecosystem Science and Management Department
  • and
  • Plant Science Program Director, Shaver's Creek Environmental Center


814-863-2000

Areas of Expertise:
  • Field botany and plant identification
  • Plant husbandry and horticulture
  • Wild plant conservation, management and policy
  • Agroforestry practices and applications in temperate ecosystems
  • Economic botany and ethnobotany
  • Non-timber forest products
  • Invasive plant identification, ecology and management
  • Meat Extension Specialist


814-867-2880

Areas of Expertise:
  • Processed Meats
  • Food Safety
  • Thermal Processing & Smoking
  • Hazard Analysis Critical Control Point Systems
  • Special Assistant to the Deans, College of Agricultural Sciences
  • Professor in Plant Pathology


814-865-2541

Areas of Expertise:
  • Plant Pathology
  • Fungal genetics
  • Plant Breeding
  • Assistant Professor of Agribusiness Management


814-863-8633

Areas of Expertise:
  • Demand
  • Food Choice
  • Consumer Theory
  • Econometrics
  • Assistant Professor and Research Associate
  • Director, Southeast Agricultural Research & Extension Center


717-653-4728

Areas of Expertise:
  • Corn Disease
  • Soybean Disease
  • Wheat Disease
  • Field Crops Disease Management
  • Professor of Food Science;
  • Chair of the Ingredients as Materials Impact Group


814-865-2636

  • Professor of Horticulture


814-863-6163

Areas of Expertise:
  • Deciduous Tree Fruit Production
  • Tree Fruit Rootstocks
  • Pruning and Training Tree Fruit
  • Apple Varieties
  • Tree fruit nutrition
  • Asian pear varieties
  • Impact of climate change on tree fruit production
  • Professor of Food Science
  • Extension Assistant Director of Programs
  • Food Safety Extension Specialist - Muscle Foods
  • Chair of the Food Safety Impact Group


814-865-8862

Areas of Expertise:
  • Food safety
  • Food microbiology
  • Foodborne pathogens
  • Antimicrobials
  • Edible films
  • Spoilage
  • Meat, poultry, seafood, muscle foods
  • HACCP
  • Sanitation
  • Professor of Horticulture and Plant Ecosystem Health


814-865-5587

Areas of Expertise:
  • Air Pollution Injury on Plants
  • Air Quality and Ecosystem Responses
  • Environmental Plant Physiology
  • Vegetable Crops
  • Photomorphogenesis (light regulated plant growth)
  • Associate Professor of Reproductive Biology


814-865-1499

Areas of Expertise:
  • Reproductive Biology
  • Nutrition and Reproduction
  • Ovarian Function
  • Oocyte Development
  • Associate Professor of Food Science


814-867-0439

Areas of Expertise:
  • Microbiology
  • Microbial pathogens
  • Molecular microbiology
  • Microbial genomics
  • Food Safety
  • Food Microbiology
  • Associate Professor of Soil Management and Applied Soil Physics


814-863-7637

Areas of Expertise:
  • no-tillage
  • cover crops
  • soil compaction
  • soil health
  • soil erosion
  • soil conservation
  • nitrogen fixation
  • Professor of Woody Plant Physiology
  • Chair of Ecology Intercollege Graduate Degree Program


814-863-3371

Areas of Expertise:
  • Root biology and ecology
  • Mycorrhizal ecology
  • Plant Physiological Ecology
  • Plant Ecology
  • Global Change Biology
  • Belowground Ecology
  • Fruit tree physiology
  • Frederik Sr. and Faith E. Rasmussen Professor of Food Science
  • Associate Professor of Food Science


Areas of Expertise:
  • Food chemistry
  • Enology
  • Antioxidants
  • Lipid oxidation
  • Professor of Avian Nutritional Biochemistry
  • Animal Science Graduate Program Coordinator
  • Poultry and Avian Science Minor Coordinator


814-863-2102

Areas of Expertise:
  • Avian amino acid and lipid nutrition and metabolism
  • Modification of poultry meat and eggs to enhance human health
  • Assistant Professor of Epidemiology and Field Crop Pathology


814-865-0680

Areas of Expertise:
  • Integrated management of field crop diseases
  • Plant disease epidemiology
  • Statistical methods for the agricultural sciences
  • Professor of Entomology


814-863-7788

Areas of Expertise:
  • Insect population dynamics
  • IPM
  • Professor of Plant Genetics


814-865-5408

Areas of Expertise:
  • Plant genetics and breeding
  • Molecular breeding
  • Biotic stresses
  • Abiotic stresses
  • Plant nutritional quality
  • Tomato
  • Harbaugh Entrepreneurship Scholar & Entrepreneurship Coordinator College of Agricultural Sciences


814-865-0469

Areas of Expertise:
  • Entrepreneurship
  • Strategy
  • AgTech entrepreneurship
  • Bio-renewable building product technologies
  • Firm-industry analytics
  • Professor and Interim Department Head
  • Director, Fusarium Research Center


814-865-9773

Areas of Expertise:
  • Fusarium and Aspergillus
  • Fungal genetics
  • Fungal systematics and evolution
  • Fungal plant and animal pathogens
  • Professor of Agricultural and Regional Economics
  • Director of The Northeast Regional Center for Rural Development


814-863-4656

Areas of Expertise:
  • Food Systems Economics
  • Economic Growth and Development
  • Regional Economics and Policy
  • Professor of Entomology
  • Director, Center for Pollinator Research


814-865-2214

Areas of Expertise:
  • Pollinators
  • Honey Bees
  • Social Insects
  • Genomics
  • Immunity
  • Behavior
  • Physiology
  • Associate Professor Vegetable Pathology


814-865-7328

Areas of Expertise:
  • Integrated vegetable disease management
  • Plant pathogen diagnosis
  • Disease monitoring and forecasting
  • Sustainable crop production
  • Professor of Plant Molecular Biology


814-863-7957

Areas of Expertise:
  • Plant Genomics and Genetics
  • Plant Molecular Biology
  • Theobroma cacao (cocoa)
  • Professor of Agricultural Economics


814-863-8638

Areas of Expertise:
  • Farm Management
  • Risk Management
  • Production Economics
  • Associate Professor of Nutritional Physiology


814-865-6334

Areas of Expertise:
  • Milk fat synthesis
  • Rumen fatty acid metabolism
  • Omega-3 fatty acids
  • Associate Professor of Food Science
  • Director of Sensory Evaluation Center


814-863-7129

Areas of Expertise:
  • Sensory science
  • Human psychophysics
  • Taste biology
  • Drug delivery systems
  • Food choice
  • Ingestive behavior
  • Consumer acceptability
  • Professor & Department Head of Agricultural and Biological Engineering
  • Specialty Crop Production Systems


814-865-7792

Areas of Expertise:
  • Mechanization of orchard production
  • Professor of Rural Sociology


814-863-8628

Areas of Expertise:
  • food systems
  • sustainable agriculture
  • agrarian change
  • sustainability
  • Associate Dean for Undergraduate Education


814-865-7521

Areas of Expertise:
  • youth leadership development
  • teaching and learning
  • Professor of Dairy Nutrition


814-863-3669

Areas of Expertise:
  • Dairy Nutrition
  • Protein Nutrition of Dairy Cows
  • Rumen Fermentation
  • Nitrogen Utilization
  • Methane Mitigation
  • Environment
  • Associate Professor of Poultry Science


814-863-8934

Areas of Expertise:
  • Hatchery and Incubation Management
  • Turkey Management
  • Broiler Management
  • Avian Physiology
  • Avian Reproductive Management
  • Game Bird Management
  • Professor


814-865-6290

Areas of Expertise:
  • Aerobiology
  • Food security
  • Integrated Pest Management
  • Professor of Forest Resources


814-865-3994

Areas of Expertise:
  • Bioenergy
  • Agroforestry
  • Forest Economics and Finance
  • International Forestry
  • Forest Extension
  • Non Timber Forest Products
  • Associate Professor of Agricultural Economics


814-865-5282

Areas of Expertise:
  • Economic modeling of food purchase behavior
  • Link between food behavior and health
  • Retail food product offerings and prices
  • Organic food and agriculture
  • Associate Professor
  • Coordinator and Adviser of the Minor in Plant Pathology


814-863-2355

Areas of Expertise:
  • Population biology
  • Ecology of plant-associated microorganisms
  • Fusarium and Verticillium wilts
  • Walther H. Ott Professor in Avian Biology


814-867-3203

  • Tombros Early Career Professor
  • Associate Professor, Turfgrass Management
  • Director, Golf Course Turfgrass Management Program


814-865-3007

Areas of Expertise:
  • Turfgrass Science
  • Turfgrass Management
  • Agronomy
  • Golf Course Management
  • Turfgrass pathology
  • plant pathology
  • Weed management
  • Professor


814-863-3846

Areas of Expertise:
  • Biocontrol
  • Bioinformatics
  • Fungal genetics and genomics
  • Microbial chemical ecology
  • Molecular diagnosis of plant pathogens
  • Associate Professor of Crop Production / Ecology


814-863-3179

Areas of Expertise:
  • Agroecology
  • Conservation & Dairy Cropping Systems
  • Soil & nutrient conservation, perennials, cover crops
  • Pasture ecology and grazing management
  • Associate Professor of Soil Biogeochemistry


814-863-1614

Areas of Expertise:
  • Ecosystem ecology
  • Nitrogen cycle
  • Carbon cycle
  • Forest ecosystems
  • Sustainable agriculture
  • Dairy Foods Research & Extension Associate


814-867-1379

Areas of Expertise:
  • Dairy Food Processing & Quality
  • Dairy Food Safety
  • Sensory Analysis of Dairy Products
  • Dairy Foods Extension
  • Artisanal Cheese
  • Professor of Horticultural Marketing and Business Management
  • Affiliate Appointment: Agribusiness Management, Department of Agricultural Economics, Sociology, and Education


814-863-2196

Areas of Expertise:
  • Wine marketing
  • Produce and ethnic food marketing
  • Retail business management
  • Consumer attitudes and behaviors pertaining to horticultural goods and services
  • Associate Professor of Production Systems and Modeling


814-863-9852

Areas of Expertise:
  • Agroecosystems
  • Soil Carbon and Nitrogen Cycling
  • Hydrologic and Nutrient Cycling Modeling
  • Environmental Biophysics
  • Plant Ecophysiology
  • Extension Tree Fruit Entomologist
  • Senior Research Associate/Research Associate Professor


717-677-6116

Areas of Expertise:
  • Insect plant interactions
  • Integrated pest management
  • Biological control
  • Tree fruit insect pests
  • Insects rearing
  • Laboratory and field bioassays
  • Invasive insect pests
  • Pesticide resistance
  • Associate Professor


814-863-7232

Areas of Expertise:
  • Mycotoxins
  • Endophytes
  • Fusarium
  • Fungal genetics
  • Fungal secondary metabolites
  • Agricultural biosecurity
  • Lester Earl and Veronica Casida Development Professor for Food Safety
  • Associate Professor of Food Science


814-863-2298

Areas of Expertise:
  • Tracking Listeria monocytogenes in produce production and processing environments
  • Food safety validation of mushroom growing, packing, and processing procedures
  • Farm food safety (Good Agricultural Practices) training
  • Hazards Analysis and Risk Based Preventive Controls training
  • Non-thermal food processing
  • Technical assistance to home and commercial food processors
  • Professor of Hydropedology/Soil Hydrology


814-865-6726

Areas of Expertise:
  • Hydropedology, Soil Physics, Hydrology, Pedology
  • Critical Zone Science, Ecosystem Science, Complexity Science
  • Geospatial and Environmental Modeling, Scientific Visualization
  • Associate Professor of Agricultural and Biological Engineering
  • Machinery and Biomass Logistics


814-863-6844

Areas of Expertise:
  • Agricultural Machinery
  • Machine design and test
  • Biomass harvesting, handling and logistics
  • Biomass in-field processing and densification
  • Hydraulics and Pneumatic system design and test


814-863-8039

Areas of Expertise:
  • Food Marketing
  • Food and Energy Policy
  • Energy Economics
  • Industrial Organization
  • Applied Econometrics


814-863-8039

Areas of Expertise:
  • Food Marketing
  • Food and Energy Policy
  • Energy Economics
  • Industrial Organization
  • Applied Econometrics
  • Professor of Plant Nutrition


814-863-2256

Areas of Expertise:
  • crop physiology
  • plant adaptation to abiotic stress
  • plant genetics
  • simulation modeling
  • Head and Professor of Horticulture


814-865-2571

Areas of Expertise:
  • Tree and Small Fruit Physiology
  • Fruit production systems
  • Data Analysis
  • Senior Scientist and Professor of Horticulture


814-863-7286

Areas of Expertise:
  • Plant Biotechnology
  • Plant Functional Genomics
  • Plant Tissue Culture
  • Plant Propagation
  • Plant Disease Resistance
  • Plant – Microbes Interactions
  • Associate Professor of Turfgrass Science


814-865-1138

Areas of Expertise:
  • Turfgrass Entomology
  • Biological Control
  • Insect Ecology
  • Associate Professor


814-863-7646

Areas of Expertise:
  • Fire blight resistance in apple trees
  • Biologically-based approaches to fire blight disease control
  • Development of citrus greening-resistant citrus varieties
  • Molecular genetics of Erwinia amylovora pathogenicity
  • Development of tomatoes resistant to bacterial canker disease
  • Understanding rootstock-scion interactions in grafted apple trees
  • Program Coordinator, Turfgrass Science Major
  • Professor of Soil Science
  • Director, Center for Sports Surface Research


814-863-1368

Areas of Expertise:
  • Turfgrass Soil Physical Properties
  • Playing surface characterization and safety
  • Athletic Field and Golf Course Drainage
  • Athletic Field and Golf Course Construction and Maintenance
  • Professor of Geography


814-863-7207

Areas of Expertise:
  • remote sensing
  • GIS
  • soils
  • geomorphology
  • land change
  • Professor of Reproductive Physiology
  • Associate Director of the Huck Institutes of the Life Sciences


814-441-2657

Areas of Expertise:
  • Reproductive Biology
  • Assisted Reproductive Technologies
  • Animal Science
  • Dairy production
  • Agricultural Biotechnology
  • Agricultural Sustainability
  • Graduate Training
  • Undergraduate Instruction
  • Assistant Professor, Tree Fruit Pathology


717-677-6116

Areas of Expertise:
  • Apple and pear diseases
  • Peach, cherry, other stone fruit diseases
  • Tree fruit disease management
  • Evan Pugh Professor of Biology & Entomology,
  • Eberly College of Science Distinguished Senior Scholar


814-867-2396

  • Professor and Head of Food Science


814-863-2959

Areas of Expertise:
  • Microbiology
  • Dairy Products Processing
  • Assistant Professor, Plant Virology


814-867-5372

Areas of Expertise:
  • plant virology
  • microbe plant interaction
  • vectors of plant viruses and of other plant pathogenic microbes
  • plant disease prediction and management models
  • Professor of Agronomy


814-863-1018

Areas of Expertise:
  • Grain crop management
  • Corn management and hybrid evaluation
  • Corn silage management
  • Soybean management and variety evaluation
  • Winter wheat management and variety evaluation
  • Winter barley management and variety evaluation
  • Interseeding cover crops in corn and soybeans
  • Associate Professor of Horticultural Systems Management


814-863-2433

Areas of Expertise:
  • Sustainable vegetable systems
  • Organic vegetable systems
  • Field vegetable production systems
  • High tunnel vegetable production systems
  • Research Associate
  • Machinery Systems


814-863-8124

Areas of Expertise:
  • agricultural safety and health
  • agricultural machinery
  • fluid power
  • alternative fuels
  • edible oils
  • biodiesel
  • Associate Professor of Pomology


717-677-6116

Areas of Expertise:
  • Tree fruit production
  • Orchard management systems
  • Crop load management of tree fruit
  • Fruit tree pruning and training
  • Professor of Mechanical engineering


814-863-8997

  • Associate Professor of Entomology
  • Extension Specialist


814-865-7082

Areas of Expertise:
  • Insect ecology
  • Plant-insect interactions
  • Conservation biological control
  • Chemical ecology
  • Gall insects
  • Extension Veterinarian
  • Professor of Veterinary Science


814-865-6995

Areas of Expertise:
  • Ruminant nutrition
  • Dairy herd health
  • Metabolic disease
  • Reproduction
  • Nutrition reproduction interactions
  • Small ruminants
  • Llamas and Alpacas
  • Associate Professor of Food Science
  • Faculty Member, The Penn State Hershey Cancer Institute
  • Faculty Member, Center for Molecular Immunology and Infectious Disease (CMIID)


814-865-6842

Areas of Expertise:
  • Food-based approach to chronic disease prevention
  • Foodomics and Metabolomics
  • Proteomics
  • Associate Professor


814-867-0324

Areas of Expertise:
  • Molecular plant-microbe interactions
  • Disease resistance and abiotic stress tolerance
  • Functional genomics and biotechnology
  • Genome editing and engineering
  • Rice, tomato, potato and mushroom precision breeding
  • Gene-edited and genetically modified organisms
  • Professor of Food Science
  • Graduate Program Coordinator


814-863-2960

Areas of Expertise:
  • Food process engineering
  • Food materials science
  • Biopolymers
  • Chocolate and confectionery