Faculty | College of Agricultural Sciences

Department Head

Photo	Person	Contact Information
	Manoj Shukla Department Head	5417375981 Contact person by email

Teaching and Research Faculty

Photo	Person	Contact Information	Specialty Area
	Pete Berry Assistant Professor	541-737-5754 Contact person by email	Weed Science I accept graduate students for the Crop and Soil Science Department
	David Hannaway Professor	541-737-5863 Contact person by email	Forage Program Director with research, teaching, extension, and international activities focused on matching forage species to locations based on climate, soils, intended use, and management and alfalfa crop simulation modeling. Undergraduate and graduate teaching and student advising. State,...
	Valtcho Jeliazkov Associate Professor	541-737-5877 Contact person by email	Long-term effects of agricultural practices on production systems Hemp, oilseeds, essential oil and medicinal plants, plant chemicals Utilization of plant chemicals as alternatives to synthetic plant hormones, growth regulators, and pesticides ... I accept graduate students for the Crop and Soil Science Department
	Markus Kleber Professor	541-737-5718 Contact person by email	The processes at the interface between organic matter and mineral surfaces, including mineral surface properties, organic matter properties, bonding mechanisms, adsorption processes, mineral-microbial interactions, and organic matter turnover dynamics. Projects:...
	Margaret Krause Assistant Professor \| Warren Kronstad Wheat Research Chair	541-737-6709 Contact person by email	Wheat and barley breeding and genetics I accept graduate students for the Crop and Soil Science Department I can serve on graduate committees
	Kate Lajtha Professor	Contact person by email	Nutrient cycling in natural and human-disturbed ecosystems, including the attenuation of increased nitrogen inputs to terrestrial ecosystems by soils and vegetation, detrital controls on soil organic matter formation. I am not accepting new graduate students at this time.
	Julie Pett-Ridge Professor	541-737-1236 Contact person by email	Geochemical, hydrologic, and biogeochemical processes in the critical zone Global carbon cycle Ecosystem nutrient sources and cycling Radiogenic and metal isotope tracers Website
	Andrew Ross Professor	541-737-9149 Contact person by email	Fundamental and applied research of cereal grain components, wheat-based foods (focused on food barley, noodles, and artisan breads), and bio-products from cereal grain fractions. Located in the OSU Cereal Breeding & Cereal Genetics Program.
	Yakun Zhang Assistant Professor	Contact person by email	My lab focuses on integrating field observations, proximal and remote sensing, and modeling to study soil and landscape relationship and critical zone properties and processes across scales. Through these activities, we aim to 1) improve assessment and monitoring capacity of soil properties... I accept graduate students for the Soil Science Program
	Jing Zhou Assistant Professor	5417378493 Contact person by email	I work on diverse research areas in Precision Agriculture by developing and applying apply technologies in remote sensing, machine learning, computer vision, and robotics I accept graduate students for the Crop and Soil Science Department

Extension and Research Faculty

Photo	Person	Contact Information	Specialty Area
	Sam Angima Associate Dean of Extension	541-737-3742 Contact person by email	Extension Small Farms Program
	Josephine Antwi Assistant Professor, Irrigated Crop Entomology Specialist	541-567-6337 Contact person by email	Lygus bugs and other secondary insect pests transmitting potato pathogens in potatoes I accept graduate students for the Crop and Soil Science Department
	Judit Barroso Associate Professor	541-215-8967 Contact person by email	My responsibilities include to develop and lead research and outreach programs that integrate chemical, cultural, and mechanical weed control measures using new or novel approaches for weed management in the wheat-based production systems of eastern Oregon. They will focus on weed management...
	Carlos Bonilla Director-HAREC	541-567-6337 Contact person by email	Soil physics and hydrology I accept graduate students for the Crop and Soil Science Department
	Francisco Calderon Director-CBARC	541-215-8987 Contact person by email	soil organic matter and soil fertility in dryland wheat production fields
	Brian A. Charlton Director - KBREC	541-883-4590 Contact person by email	Potato Variety Development and Other Row Crops. Cultural Management, Pest and Disease Control, Seed Production, Irrigation Efficiencies
	Lauren Gwin Associate Professor	541-737-1569 Contact person by email	Community Food Systems
	Navneet Kaur Associate Professor	541-737-5884 Contact person by email	Applied research and extension programming for IPM development and implementation in Oregon diverse cropping systems. I accept graduate students for the Crop and Soil Science Department
	Larry Lutcher Professor	541-676-9642 Contact person by email	Dryland Cereal Production
	Stephen Machado Professor	541-215-8916 Contact person by email	Stephen Machado leads the OSU's long-term research activities at CBARC Pendleton, CBARC Moro, and in Heppner in eastern Oregon. He is the Dryland Cropping Systems Agronomist for the semiarid Northcentral and Northeast Oregon. His responsibilities include establishing research priorities,... I accept graduate students for the Crop and Soil Science Department
	Rory Mc Donnell Associate Professor	541-737-6146 Contact person by email	1) understanding the ecology of invasive slugs and snails in agriculture, horticulture, urban areas, the natural environment and at the interface of these systems, and 2) developing and implementing novel strategies for the management of these pests I accept graduate students for the Crop and Soil Science Department
	Amber Moore Associate Professor, Extension Soil Fertility Specialist	541 737-7870 Contact person by email	The focus of my position is to conduct applied research and to develop nutrient and lime recommendations that improve nutrient use efficiency by large acreage crops grown in Oregon. The crops of primary focus are on grass grown for seed, cereals, and potatoes, with a secondary focus on minor... I can serve on graduate committees
	Ruijun Qin Associate Professor	Contact person by email	Nutrient & water management, crop production, cropping system, cover crops, organic amendment, environmental quality, soil health, soil fumigation, roots, & tillage systems I accept graduate students for the Crop and Soil Science Department I accept graduate students for Horticulture I accept graduate students for the Soil Science Program I can serve on graduate committees
	Stuart Reitz Director	541-889-2174 Contact person by email	Responsible for research and extension programming related to cropping systems in Malheur County IPM Ecology and management of insect vectors of plant pathogens I accept graduate students for the Crop and Soil Science Department I accept graduate students for the Entomology Program I can serve on graduate committees
	Victor Hugo Vidal Ribeiro Assistant Professor	Contact person by email	My applied research and extension program focuses on developing practical, science-based solutions to weed management challenges in Oregon field crops. My research interests include herbicide resistance, herbicide fate in the environment and non-target impacts, integrated weed management, and... I accept graduate students for the Crop and Soil Science Department
	Silvia Rondon Director - OIPMC	Contact person by email	Integrated Pest Management; Insects-Plant Interactions; Biological Control; Insect Ecology-Insect Movement; Chemical Control I accept graduate students for the Crop Science Program
	Vidyasager Sagar Sathuvalli Associate Professor	541-567-6337	Plant Breeding, Genetics and Genomics
	Udayakumar Sekaran Assistant Professor	Contact person by email	I accept graduate students for the Crop and Soil Science Department I accept graduate students for the Crop Science Program I accept graduate students for the Soil Science Program
	Darrin Walenta Associate Professor	541-963-1010 Contact person by email	Extension Agronomist with field crop responsibilities in Union, Baker, and Wallowa Co.

Professor, Senior Research

Photo	Person	Contact Information	Summary of Specialty Area
	Stephen Baluch Assistant Professor (Senior Research)	Contact person by email
	Sabry Elias Professor (Senior Research)	541-737-4799 Contact person by email	Seed Science and Technology Seed quality evaluation in relation to the physiology of seed germination, vigor, dormancy, storability, post-harvest technologies, and the relationship to field performance. Accepts only self-funded graduate students.
	Everald McLennon Assistant Professor (Senior Research)	541-883-4590	Soil health (fertility and nutrient cycling) Crop production systems (industrial hemp, small grain, forages) Environment (soil and water protection) Climate Smart Agriculture (biochar, greenhouse gas emissions)
	Yan Ping Qian Associate Professor (Senior Research)	5417609250 Contact person by email	My general research activities are chemistry, composition, and quality of post-harvest crops, with a focus on aroma and flavor compounds identification, chemical characterization, and analysis; and soil chemistry. I can serve on graduate committees
	Shaun Townsend Associate Professor (Senior Research)	541-737-5099 Contact person by email	The Aroma Hop Breeding Program is tasked with developing new hop cultivars, adapted for Oregon growing conditions, with a focus on essential oil quality. This program interacts closely with Dr. Tom Shellhammer's program in the Food Science & Technology Department to characterize the...

Professor of Practice

Photo	Person	Contact Information	Specialty Area
	Melissa Fery Professor (Practice)	541-730-3538 Contact person by email	Small Farms, Agricultural Tourism
	Shayan Ghajar Assistant Professor (Practice)	541-737-6131 Contact person by email	Organic, transitioning, and low-input sustainable pasture and forage management for producers in Oregon. I can serve on graduate committees
	Ryan Graebner Assistant Professor (Practice)	541-359-7151 Contact person by email	Cereal Variety Testing My program's priority is to conduct wheat and barley variety trials across major cereal producing regions in Oregon. Each year, wheat and barley varieties from public and private plant breeding programs are tested in 25 locations across Oregon, as...
	Mary Halbleib Professor (Practice)	541-737-2683 Contact person by email	Mary creates professional development opportunities for Extension faculty and staff in the College of Agricultural Sciences, providing evidence-based approaches to outcome-based adult education, curriculum design, and train-the-trainer programs. She aims to empower Extension...
	Gordon Jones Associate Professor (Practice)	541-447-6228 Contact person by email	Agronomy Extension in Central Oregon
	Michelle Markesteyn Associate Professor (Practice)	Contact person by email
	Brigid Meints Assistant Professor (Practice)	Contact person by email	Organic Grains & Pulses Extension Breeding multi-use naked barley for organic systems Breeding early maturing dry beans for western Oregon
	Jacob Powell Associate Professor (Practice)	Contact person by email
	Christy Tanner Associate Professor (Practice)	Contact person by email	Field crop production in the South Willamette Valley
	Donald Wysocki Associate Professor (Practice)	Contact person by email	Focused on dryland cropping systems, soil, water and nutrient management, soil erosion, soil quality, and rotational crops. Research projects are concerned with improving management of soils under dryland farming systems in relation to soil and water conservation, crop rotation, nutrient...

Instructors

Photo	Person	Contact Information	Specialty Area
	Richard Affeldt Instructor	Contact person by email
	Burl Carpenter Senior Instructor I		Online Soil Science Education Technology and the Online Classroom Ancient Agriculture Geoarchaeology
	James Cassidy Senior Instructor II	541-737-6810 Contact person by email	Soil Science Education Organic & Sustainable Agriculture and Food Production. Service Learning Student Farming
	Alyssa Duval Senior Instructor 1	541-737-1131 Contact person by email	As a farmer, I appreciate the deep connection between agricultural and natural systems. I enjoy sharing these perspectives and lessons learned over the years (from my involvement in production agriculture as well as research findings) with students here in Oregon and across the globe. ...
	Jillian Gregg Senior Instructor I	541-829-0456	Climate Change science and solutions
	Kimberly Japhet Senior Instructor I Faculty	541-609-0939 Contact person by email	Online Course Development and Delivery, facilitating professors building courses and students taking online offerings.
	Jordan Kersey Instructor	Contact person by email
	Alicia Leytem Instructor	541-737-8568 Contact person by email
	Deanna Lloyd Senior Instructor I	Contact person by email	I teach classes for the Sustainability Double-Degree Program and the Department of Horticulture - both on the Corvallis campus and through Ecampus. My instructional duties also include coordination of service-learning projects for large undergraduate courses (SOIL 205, SUS 350, and SUS 304...
	Megan Mobley Senior Instructor II	541-737-5751 Contact person by email	I develop and teach Soils courses in the Crop and Soil Science Department, both on the Corvallis campus and via Ecampus.
	Leon Nguyen Instructor	Contact person by email
	Lorien Reynolds Senior Instructor I	Contact person by email
	Stefan Seiter Senior Instructor II	541-737-6372 Contact person by email	Nutrient Cycling Cropping Systems Regenerative Agriculture Agroforestry Soil Health Management
	Kimberly Townsend Senior Instructor I	Contact person by email	spacer.gif ...
	Elizabeth Verhoeven Instructor	Contact person by email	field crop production in the mid-Willamette Valley; grass seed, oilseeds, mint, hops, small grains, wheat

Professional Faculty

Photo	Person	Contact Information
	Andrew Altishin Administrator 3-Res & Serv Ops	541-737-5747 Contact person by email Crop Science Building Crop Science Building 009 3050 SW Campus Way 3050 SW Campus Way Corvallis, OR 97331
	Daniel Curry Dir-Seed Services	541-737-5094 Contact person by email Crop Science Building Crop Science Building 351B 3050 SW Campus Way 3050 SW Campus Way Corvallis, OR 97331
	Rebecca Thistle... Director, NMPAN	Contact person by email
	David Zarling NMPAN Program Manager	Contact person by email

Courtesy Faculty

Photo	Person	Contact Information	Specialty Area
	Curtis Adams Courtesy Appointment	Contact person by email	Crop ecology, crop physiology, cropping systems, and agronomy
	Caio Augusto De... Courtesy Appointment	541-737-5754 Contact person by email	His research integrates physiological, biochemical, molecular, and analytical approaches to understand the evolutionary basis of herbicide resistance, and how integrated pest management strategies may be used to prevent...
	Biswanath Dari Courtesy Appointment	Contact person by email	Sustainable agriculture Crop production Soil health and Nutrient cycling Agricultural resources (fertilizer, irrigation water, post-harvest residue) management Environmental (soil and water quality) protection Promoting...
	Seth Dorman Courtesy Appointment	541.738.4157 Contact person by email	Entomology, Integrated Pest Management, Insect Ecology, Insect Toxicology The broad focus of our research group is to understand the ecology and population dynamics of critical arthropod pests and beneficial...
	David Gent Courtesy Appointment	541-738-4167 Contact person by email	Plant Pathology, Disease Ecology, Disease Epidemiology Our research centers around better understanding the epidemiology and biology of downy mildew and powdery mildew diseases, Fusarium diseases, and durable host resistance. Our research has both basic and applied aspects,...
	Ryan Hayes Courtesy Appointment	Contact person by email
	John Henning Courtesy Appointment	541-738-4145 Contact person by email	USDA-ARS
	Dustin Herb Courtesy Appointment	Contact person by email
	Jennifer Kling Courtesy Appointment	541-737-8277 Contact person by email	Plant breeding and genetics curriculum development and distance learning Quantitative genetics Experimental design and statistics Breeding specialty crops for niche markets in Oregon (currently oats, flax, corn and meadowfoam)
	Rebecca Lybrand Courtesy Appointment	541-737-1039 Contact person by email	Pedology
	Jennifer Moore Courtesy Appointment	Contact person by email
	Jennifer Parke Courtesy Appointment	541-737-8170 Contact person by email	Google Scholar Citations: https://scholar.google.com/citations?user=cqxRnLgAAAAJ&hl=en&oi=ao Areas of expertise: Phytophthora diseases of woody plants ...
	John Selker Univ Distinguished Professor Faculty	541-737-6304 Contact person by email	Hydrologic Instrumentation; Vadose Zone Hydrology; Groundwater Hydrology; Stochastic Hydrology; and Contaminant Transport.
	Anne Taylor Courtesy Appointment	541-737-4136 Contact person by email	Physiological attributes of nitrification in soils Contributions of ammonia-oxidizing archaea and bacteria to soil ammonia-oxidation Drivers of uncoupling of ammonia and nitrite oxidation in...
	Abigail Tomasek Courtesy Appointment	Contact person by email