Program Team/Workgroup Directory/Information
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Workgroup Information Walnut |
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Summary | Addresses high priority issues including improvement (breeding), integrated pest management (insect, disease, and alternatives to methyl bromide for fumigation for nematodes, etc.), irrigation and efficient orchard management within the walnut industry of California. |
Website: | http://fruitsandnuts.ucdavis.edu/crops/walnut.shtml |
Workgroup Chair Information | |
Name | Emily Symmes (Chair) |
Phone | 530-538-7201 |
ejsymmes@ucanr.edu | |
Unit: | Butte County |
Membership List |
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Tricoli, David | Dean's Office CA&ES (UCD) | |
Supervisor | Plant Transformation Facility | |
AES Scientist | ||
Adaskaveg, James | Plant Pathology | |
Professor and Plant Pathologist | Mycology, plant pathology, ecology and epidimiology of fungi | |
Bostock, Richard | Plant Pathology - CAES | |
Professor Plant Pathologist-AES | Physiology, biochemistry and molecular biology of host-pathogen interaction; diseases of fruit and nut crops | |
Brown, Patrick | Department of Plant Sciences | |
Pomologist-AES Professor of Plant Nutrition | Plant mineral nutrition; root soil interaction; rhizosphere dynamics and genetic aspects of plant nutrition; function of boron in plants; sustainable agriculture | |
Dandekar, Abhaya | Department of Plant Sciences | |
Professor Geneticist-AES | Transfer expression and regulation of 'transgenes' in tree crops; identification/ modification of useful genetic traits through analysis/evaluation of transgenic plants; transgenes, gene transfer, transgenic plants, gene expression, gene regulation | |
DeJong, Theodore | Department of Plant Sciences | |
Emeritus Professor CE Pomologist-AES Plant Physiologist-AES | Environmental physiology; tree crop physiology; carbon partitioning and crop modeling; pomology; physiology and management of fruit tree crops; peach rootstock development and physiology; dried plum breeding | |
Dvorak, Jan | Department of Plant Sciences | |
Professor V | Evolution of plant genomes and chromosomes; evolution of wheat and related species, construction of linkage maps based on molecular markers in wheat and related species in the tribe Triticeae; mechanisms of the action of the Ph1 gene of wheat on crossing over between homoeologous chromosomes; molecular mechanisms of salt stress tolerance in wheat and its improvement. | |
Wes, Hackett | ||
Labavitch, John | Department of Plant Sciences | |
Professor Pomologist-AES | Developmental and regulatory biology postharvest biology of fruits - emphasis on cell wall polysaccharide metabolism and biochemistry of plant-pathogen and plant-insect interactions | |
Lewis, Edwin | Nematology CAES | |
Associate Professor | Entomopathogenic nematodes for insect pest management, their use as antagonists of plant-parasitic nematodes, and the biology and ecology of the black vine weevil. | |
Lindow, Steven | Dean's Office CNR | |
Professor and Executive Associate Dean, CNR | Molecular and ecological studies of plant-associated bacteria | |
McGranahan, Gale | Department of Plant Sciences | |
Pomologist-AES Emerita | Breeding, selection, genetics, foreign gene transfer and tissue culture of walnuts for rootstock and variety improvement | |
Michailides, Themis | Kearney Agricultural Research & Extension Center | |
Plant Pathologist and Lecturer | Ecology, epidemiology and control of fungal diseases of fruit and nut crops and vines, postharvest diseases, aflatoxin and mycotoxins of nut crops and figs. | |
Millar, Jocelyn | Entomology (UCR) | |
Entomologist Professor | Insect behavior; identification, synthesis, and testing of insect kairomones and pheromones; insect acoustic signaling | |
Mills, Nicholas | Environmental Science, Policy and Management (ESPM) | |
Professor Entomologist-AES | Biological control of insect pests, ecology and insect parasitoids, tree fruit pests | |
Neale, David | Department of Plant Sciences | |
Professor | ||
Parfitt, Dan | Department of Plant Sciences | |
Pomologist-AES | Genetics of fruit crops genetic diversity, germplasm use, pistachio breeding | |
Polito, Vito | Department of Plant Sciences | |
Professor Pomologist-AES Chairman Department of Pomology Davis | Reproductive biology of tree-crop species: olive, walnut, pistachio, almond and other Mediterranean tree crops | |
Shackel, Kenneth | Department of Plant Sciences | |
Professor /Pomologist-AES | The impact of tree and vine water status on productivity and the water relations and physiological activity of fruit | |
Teuber, Larry | Department of Plant Sciences | |
Professor V | Genetics and biology of: floral characters influencing alfalfa pollination by honey bees, gene flow in honey bee cross pollinated crops, resistance to lygus bugs and whiteflies, Director University of California Foundation Seed Progarm | |
Welter, Stephen | ESPM - Organisms and the Environment | |
Entomologist Professor ESPM Organisms and the Environment, Assoc. Dean Academic Affairs. | IPM of fruit and nut crops, Plant-insect interactions, Biological Control | |
Wes, Hackett | ||
CE Advisor | ||
Anderson, Kathleen | Stanislaus County | |
Farm Advisor | Walnuts, Apricots, Apples, Cherries | |
Beede, Robert | Kings County | |
(Retired) Farm Advisor Emeritus | Horticulture: Tree fruit, nuts, grapes | |
Bentley, Walter | Kearney Agricultural Research & Extension Center | |
Integrated Pest Management Entomologist, Emeritus | Entomology | |
Bianchi, Mary | San Luis Obispo County | |
Emeritus - Horticulture Farm Advisor | Horticulture, pomology, subtropicals, water management and water quality. Horticulture in San Luis Obispo County and Northern Santa Barbara County. | |
Buchner, Richard | Tehama County | |
Orchard Advisor - Emeritus | Pomology for Tehama County. Strawberry nursery production in North Coast & Mountain Region | |
Caprile, Janet | Contra Costa County | |
Farm Advisor | Commercial fruit, nut, vine, vegetable, field, specialty crops | |
Connell, Joseph | Butte County | |
Farm Advisor Emeritus | Almonds, olives, citrus, subtropicals, ornamentals | |
Culumber, Mae | Fresno County | |
Nut Crops Farm Advisor | ||
Doll, David | Merced County | |
Pomology Farm Advisor | Almonds, Pistachios, Walnuts, and Urban Forestry | |
Edstrom, John | Colusa County | |
Farm Advisor emeritus | Almonds | |
Elkins, Rachel | Lake County | |
County Director -Lake County, Pomology Farm Advisor in Lake and Mendocino Counties and Master Gardener Advisor in Lake County | ||
Fichtner, Elizabeth | Tulare County | |
Farm Advisor | Orchard Systems | |
Fulton, Allan | Tehama County | |
Irrigation and Water Resources Advisor | ||
Grant, Joseph | San Joaquin County | |
Farm Advisor, Emeritus | walnuts, cherries, olives, miscellaneous fruits; fruit crops, integrated pest management | |
Hasey, Janine | Sutter-Yuba Counties | |
Tree Crop Farm Advisor, County Director, Master Gardener Advisor | Pomology, Horticulture, Master Gardener Program | |
Haviland, David | Kern County | |
Farm Advisor | Entomologist and Pest Management. Advise in identification and control of Pest. | |
Ingels, Chuck | Capitol Corridor MCP Cooperative Extension | |
Farm Advisor | Tree crops, grapes, environmental horticulture, and Master Gardeners/urban horticulture. Areas of research and extension focus include IPM, evaluation of sustainable products and practices, water conservation and deficit irrigation, home orchards and vineyards, sustainable landscaping, alternative turfgrass species, and tree training, pruning, and grafting. | |
Jarvis-Shean, Katherine | Capitol Corridor MCP Cooperative Extension | |
Orchard Systems Advisor | ||
Krueger, William | Glenn County | |
Farm Advisor Emeritus | All tree crops in Glenn County and olives in Tehama County, integrated pest management | |
Lightle, Dani | Glenn County | |
Orchard Systems Advisor | ||
Milliron, Luke | Butte County | |
Area Sustainable Orchard Systems Advisor | ||
Pickel, Carolyn | Integrated Pest Management (IPM) Statewide Program | |
Area IPM Advisor, Emeritus | IPM programs | |
Rijal, Jhalendra | Stanislaus County | |
Area IPM Advisor | Entomology, insect pest management, insect mating disruption, insect spatial distribution and quantitative sampling, insect behavior and chemical ecology | |
Schmierer, Jerry | Colusa County | |
Farm Advisor Emeritus | Plant science, alfalfa, wheat,dry beans, corn, barley, and oil seed crops with speciality in precision agriculture and weed management. | |
Sibbett, G. | Tulare County | |
Farm Advisor Emeritus | Pomology, horticulture | |
Symmes, Emily | Butte County | |
Area IPM Advisor | Integrated pest management | |
Tollerup, Kris | Kearney Agricultural Research & Extension Center | |
Cooperative Extension Advisor, IPM | Almond, Pistachio, Tree Fruit, Grapes | |
Wunderlich, Lynn | Central Sierra Cooperative Extension | |
Farm Advisor | Viticulture and Pomology for the foothills; Sprayer calibration; Integrated Pest Management; Biological Control | |
Yaghmour, Mohammad | Kern County | |
Area Orchard Systems Advisor | ||
CE Specialist | ||
Al-Khatib, Kassim | Department of Plant Sciences | |
Professor, Plant Sciences | CE Specialist in Weed Sciences | |
Crisosto, Carlos | Kearney Agricultural Research & Extension Center | |
CE Postharvest Physiologist | Extension and research on postharvest biology and technology of fruits; fruit quality and deterioration and handling systems | |
Flint, Mary Louise | Entomology (UCD) | |
Extension Entomologist Emeritus, Entomology, UC Davis | Integrated Pest Management, biological control, landscape and garden IPM, information dissemination and entomology. | |
Goldhamer, David | Hydrology Program | |
CE Water Management Specialist | Water management of horticultural crops, regulated deficit irrigation, plant water relations, plant-based water status sensors | |
Golino, Deborah | Foundation Plant Services - CAES | |
CE Specialist Director Foundation Plant Services Plant Pathology Department | Virus diseases of horticultural crops and nursery clean stock programs | |
Hanson, Brad | Department of Plant Sciences | |
CE Weed Specialist | ||
Harris, Linda | Food Science & Technology | |
CE Specialist-Food Safety Microbiology | Microbial food safety throughout the food chain with a focus on the microbiology of fresh fruits and vegetables and tree nuts. | |
Johnson, Marshall | Entomology (UCR) | |
IPM Specialist and Research Entomologist, Emeritus | Integrated pest management of grapes, stone fruit, almonds and walnuts; biological control of arthropods; pesticide resistance in pests and natural enemies | |
Klonsky, Karen | Agricultural & Resource Economics | |
Specialist in Cooperative Extension, Emerita | Farm Management and Production, Sustainable Agriculture and Organic Agriculture | |
Lampinen, Bruce | Department of Plant Sciences | |
Integrated Orchard Management Walnut and Almond Specialist | Integrated Orchard Management with an emphasis on walnuts and almonds | |
Larbi, Peter | Kearney Agricultural Research & Extension Center | |
Assistant CE Specialist | Agricultural Application Engineering | |
McKenry, Michael | Nematology Department | |
Emeritus Nematologist and CE Nematology Specialist, Emeritus | Field pathogenicity and practical control of nematodes in perennial crops | |
Mitcham, Elizabeth | Department of Plant Sciences | |
CE & AES Postharvest Pomologist | Postharvest physiology and technology of fruit and nut crops; emphasis on maintaining flavor quality after harvest, enhancing consumption of produce, and reducing food loss. Also studying regulation of fruit ripening and mechanisms underlying calcium deficiency disorders in fruit. | |
Pan, Zhongli | Biological & Agricultural Engineering | |
Adjunct Professor | Improving the value of agricultural products and their components through new and improved postharvest and processing technologies. | |
Prichard, Terry | Land, Air & Water Resources | |
CE Irrigation Water Management Specialist | Irrigation water management, crop response to limited water supplies, water infiltration, Delta water quality and soil salinity issues | |
Ramos, David | Department of Plant Sciences | |
Pomologist | Walnut production, tree training and pruning, high density management systems, cultivar and rootstock evaluations. | |
Sandoval Solis, Samuel | Land, Air & Water Resources | |
Assistant Professor and Cooperative Extension Specialist in Water Resources | Water Resources Management | |
Schwankl, Lawrence | Kearney Agricultural Research & Extension Center | |
CE Irrigation Specialist, Retired | Irrigation engineering, design, operation and management of irrigation systems, soil moisture monitoring, low-volume irrigation | |
Siebert, Jerome | Agricultural & Resource Economics & Policy | |
CE specialist emeritus | Marketing, management and policy resource and environmental economics. Special emphasis on farm program and macro-economic policy relationships to agriculture | |
Thompson, James | Biological & Agricultural Engineering | |
Emeritus Specialist in Cooperative Extension | Postharvest operations including drying and refrigeration of fruits, vegetables, cut flowers, tree nuts, and grains; transportation of agricultural commodities; energy management and alternative energy systems. | |
Trouillas, Florent | Plant Pathology - CAES | |
Assistant Cooperative Extension Specialist | Fruit and Nut Crops | |
VanSteenwyk, Robert | Environmental Science, Policy and Management (ESPM) | |
CE Entomologist | Deciduous fruits, nuts and vines | |
Westerdahl, Becky | Nematology CAES | |
CE Specialist Professor | Applied nematology, integrated pest management | |
Westphal, Andreas | Kearney Agricultural Research & Extension Center | |
Wilson, Houston | Entomology (UCR) | |
Assistant Cooperative Extension Specialist | Tree Crops IPM | |
Zaccaria, Daniele | Land, Air & Water Resources | |
Assistant Agricultural Water Management Specialist in Cooperative Extension | ||
Zalom, Frank | Entomology (UCD) | |
Distinguished Professor and CE Specialist | Fruit and Vegetable Crop Entomology; Integrated Pest Management | |
Other ANR | ||
Brodt, Sonja | Sustainable Agriculture Research & Education Program | |
Academic Coordinator, Ag, Resources & the Environment | Agriculture, Resources, and the Environment | |
DeMoura, Richard | Agricultural & Resource Economics | |
Staff Research Associate | Cost Production Studies | |
Hendricks, Lonnie | Merced County | |
Farm Advisor, Emeritus | ||
Krochta, John | Food Science & Technology | |
Professor Food Engineer Peter J. Shields Endowed Chair of Dairy Food Science | Edible films and coatings to control mass transfer in foods; controlled release of bioactive compounds from biopolymers; conversion of agricultural surpluses to fuels and chemicals; biochemical separations | |
Micke, Warren | Department of Plant Sciences | |
Emeritus CE Pomologist | Cultural practices and production problems of almonds and walnuts. | |
O Reil, Wilbur | ||
Farm Advisor (Emeritus) | ||
Olson, William | ||
County Director and Farm Advisor | Walnuts, Prunes , | |
Potter, Dan | Department of Plant Sciences | |
Professor and Plant Systematist | Phylogeny and systematics of horticultural crop plants and wild relatives, evolution of Rosaceae, molecular markers for walnut species and cultivars. | |
Van Horn, Mark | Agricultural Sustainability Institute | |
Director, Student Farm | ||
Zhang, Minghua | Land, Air & Water Resources | |
Non-UC | ||
Aradhya, Mallikarjuna | ||
Baumgartner, Kendra | Plant Pathology - CAES | |
USDA-ARS research plant pathologist | grapevine diseases | |
Browne, Greg | Plant Pathology - CAES | |
USDA Research Plant Pathologist | Soil-borne diseases of fruit and nut trees and other horticultural crops | |
Gut, Larry | ||
Kluepfel, Daniel | Plant Pathology - CAES | |
Light, Doug | ||
Preece, John | ||
Supervisory Research Leader | Horticulture | |
Rosecrance, Rich | ||
Seybold, Steven | ||
Research Entomologist | ||
User, Unverified | ||
Other UC | ||
Leslie, Chuck | ||
Metcalf, Samuel | ||
Membership Totals | ||
Number of Members | 100 | |
ANR Members | 90 | |
Non-ANR | 10 | |
Info Only | 0 |