Cooperative Extension Specialists

Jul 11, 2013 admin




Ajwa, Husein A.
(831) 755-2823
[email protected]
Soil and water management, methyl bromide alternatives, cool-season vegetables. Crop and Ecosystem Sciences Section
Al-Khatib, Kassim
(530) 752-8350
[email protected]
Weed ecology and integrated weed management. Pesticide drift.



Barrett, Diane M.
(530) 752-4800
[email protected]
Effects of raw material characteristics (cultivar, maturity, organic/conventional production etc.) and processing (aseptic, canning, drying, freezing, high pressure, etc.) on color, texture, flavor and nutritional quality of fruit and vegetable products.
Berry, Steven L
(530) 752-1279
[email protected]
Dairy management and health; records analysis; interrelationships of disease, management, and economics; hoof health and lameness in dairy cattle; infectious and non-infectious diseases; management factors; cow comfort, periparturitent diseases and their relationship to productivity and culling.
Blank, Steven C.
(530) 752-0823
[email protected]
Financial management, risk and decision-making, risk management tools, management methods
Bradley, Francine A
(530) 752-6316
Efficiency of California poultry and game bird producers, both commercial and non-commercial; management, biosecurity fertility and hatchability, niche marketing; youth programs; history of women in poultry production.
Bruhn, Christine M
(530) 752-2774
[email protected]
Consumer Issues in food safety and quality and new technolgies such as food irradiation and biotechnology.
Butler, Leslie J
(530) 752-3681
Dairy production, marketing and policy, agricultural and natural resource policy, biotechnology, technological change, public policy issues



Campbell, David C
(530) 754-4328
[email protected]
Intersection between public policy and community development processes at the local level focusing on governance, civic engagement, citizenship, and economic development.
Cantwell, Marita
(530) 752-7305
[email protected]
Postharvest physiology, handling, and storage of vegetables, including specialty and fresh cut vegetables. Horticulture Section
Conte, Fred S
(530) 752-7689
[email protected]
Research interests: Software simulation for shellfish sanitation, information transfer and commercial sturgeon production.
Cook, Roberta L
(530) 752-1531
[email protected]
Fruit and Vegetable Marketing, Food Distribution, International Competition and Trade, Mexican Horticultural Industry, Food safety
Craigmill, Arthur L
(530) 752-2936
[email protected]
Cooperative extension programs in human, veterinary and environmental toxicology. Field and laboratory research on pesticide biodegradation, and pharmacokinetics of chemical residues in livestock.
Crisosto, Carlos
(559) 646-6596
Postharvest handling systems to maintain quality and safety of stone fruit and kiwifruit. Horticulture Section



Davis, R. Michael
(530) 752-0303
[email protected]
Diseases of vegetable and field crops, mushroom production.
DeJong, Theodore M.
(530) 752-1843
[email protected]
Environmental plant physiology; photosynthetic efficiency of tree crops relative to the utilization of nitrogen, water, and solar radiation. Horticulture Section
Dewees, C M
((530)) 752-1497
[email protected]
Marine fisheries; human dimensions of fisheries management; commercial fisheries technology.
DiTomaso, Joseph M.
((530)) 754-8715
[email protected]
Taxonomy, ecology, physiology, and control of rangeland, forestry and wetland weeds; poisonous plants. Crop and Ecosystem Sciences Section



Evans, Richard Y
(530) 752-6617
[email protected]
Management of commercial flower and nursery crops; nutrition of ornamental plants; container soil-plant interactions; propagation, production, and field establishment of plants for ecological restoration. Section: Primary - Horticulture; Secondary - Crop and Ecosystem Sciences



Fennimore, Steven A.
(831) 755-2896
[email protected]
Integrated pest management of landscape, agricultural and garden pests; biological control of arthropod pests; alternatives to pesticides; adoption of alternative practices by practitioners; innovative delivery of pest management information.
Ferguson, Louise
(559) 737-3061
Pistachios, olives, figs, citrus, persimmons. Horticulture Section
Fidelibus, Matthew W
(559) 646-6510
Applied and basic research on grapes for raisin, table, and wine.
Flint, Mary Louise
(530) 752-7692
[email protected]
Integrated pest management of landscape, agricultural and garden pests; biological control of arthropod pests; alternatives to pesticides; adoption of alternative practices by practitioners; innovative delivery of pest management information.



George, Melvin R.
(530) 752-1720
m[email protected]
Range and pasture improvement, grazing management, rangeland water quality; rangeland management practices; ranch planning. Crop and Ecosystem Sciences Section
Godfrey, Larry D
(530) 752-0473
[email protected]
Integrated pest management of insects and mites in field and vegetable crops; plant (physiological and yield) response to insect injury, refinement of economic thresholds, IPM of field and vegetable crops.
Goldhamer, David A
(530) 752-5448
[email protected]
Water management of horticultural crops; plant-water relations
Golino, Deborah A
(530) 754-8102
[email protected]
Fruit crop clean stock programs; Viral diseases of grapevines and fruit trees; Vector plant pathology; Phytosanitary regulations and law.
Grattan, Stephen R
(530) 752-4618
[email protected]
Salinity effects on plants at the plant and field scale; agricultural drainage water reuse and management; salinity-trace element interactions in plants; evapotranspiration.
Grieshop, James I
(530) 752-3008
[email protected]
Community leadership, risk perception and health and safety, non-formal education, and communication and adoption of innovations.
Grosholz, Edwin D
(530) 752-9151
[email protected]
Population dynamics and community ecology, invasion biology, conservation biology and biodiversity of marine and estuarine systems, applications of ecological theory to coastal management problems.
Gubler, W. Douglas
(530) 752-0304
[email protected]
Research interests include biology, epidemiology and control of foliar pathogens of fruit crops with emphasis on grapevine and strawberry diseases.



Hardesty, Shermain D.
(530) 752-0467
[email protected]
Cooperative Theory, Management and Finance, and Food Marketing and Policy
Harris, Linda J.
(530) 754-9485
[email protected]
Microbial food safety with emphasis on fruits, vegetables and tree nuts, applied microbiology
Harter, Thomas
(530) 752-6998
[email protected]
Flow and transport processes in groundwater and in the vadose zone; non-point source pollution of groundwater; groundwater remediation; groundwater resources management; geostatistics; stochastic analysis; numerical modeling.
Hartz, Timothy K
(530) 752-1738
[email protected]
Culture and management of warm season vegetables; soil and plant fertility; crop stand establishment. Horticulture Section
Hill, James E
(530) 752-3458
[email protected]
Conducts research and education programs on rice based cropping systems with focus on production technologies such as direct seeding; weed control; nutrition; residue management; and the relationship of these factors to environmental quality. Crop and Ecosystem Sciences Section
Hutmacher, Robert B
(661) 746-8020
[email protected]
Conducts research and extension education programs in cotton production systems and irrigation management and plant water stress. In cotton, research efforts include varietal evaluations, irrigation and nutrient management, use of plant growth regulators, and cultural controls and host plant resistance to deal with specific fungal diseases. Crop and Ecosystem Sciences Section





Jackson, Leland F
(530) 752-0701
[email protected]
Growth development and plant breeding of small grain diseases; pathogen variability host resistance and genetics of host/parasite interaction; integrated pest management and integrated crop management; agricultural systems. Crop and Ecosystem Sciences Section
Jackson, Louise E
(530) 754-9116
[email protected]
Soil microbial carbon and nitrogen cycling; Mycorrhizae; Plant water relations and nutrient uptake; Organic and conventional vegetable production; Reduced tillage systems; Grassland restoration ecology.
Johnson, R. Scott
(559) 646-6547
Freestone peaches, nectarines, plums, kiwifruit, apples. Horticulture Section
Joy, Amy B
(530) 752-7959
[email protected]
Community nutrition, with an emphasis on improving the nutritional status of high risk audiences. Current areas of research are: (a) development and testing of nutrition education methodologies; (b) identification of dietary intake patterns and nutrition-related practices of high-risk audiences; (c) development of new ways to measure nutritional status; and (d) nutrition education interventions for improving nutritional status in high-risk audiences.



Kader, Adel A
(530) 752-0909
[email protected]
Quality of fruits and nuts in relation to their postharvest biology and technology. Horticulture Section
Kaffka, Stephen R
(530) 752-8108
[email protected]
Investigates ways to improve crop production efficiency and environmental quality relative to crop prodution. Works at the commodity and farming systems levels. Crop and Ecosystem Sciences Section
Kaiser, Lucia L.
(530) 754 9063
[email protected]
Examining the impact of acculturation and food security on the child-parent feeding relationship among Latinos, developing tools to evaluate nutrition education, and evaluating lifeskills education on transition from welfare to work.
King, Nicelma J
(530) 752-3863
[email protected]
Career and College Choice; Family Studies; Evaluating Human Resources Programs
Klonsky, Karen M
(530) 752-3563
[email protected]
Farm management and Production, Sustainable Agriculture and Organic Agriculture



Lanini, W. Tom
(530) 752-4476
[email protected]
Low input weed control in vegetables and agronomic crops. Crop and Ecosystem Sciences Section
Lanzaro, Gregory C.
(530) 752-5652
[email protected]
Population and molecular genetics of insect vectors of human disease
Lampinen, Bruce D.
(530) 752-2588
[email protected]
Coordination of extension teaching and research activities for almonds and walnuts on a statewide basis. Horticulture Section
Larson, Kirk
949 857 0136
[email protected]
Strawberry biology and production management, and development of improved strawberry cultivars. Horticulture Section
Lieth J. Heiner
(530) 752-7198
[email protected]
Crop ecology of greenhouse and nursery crops; greenhouse environment control automation; modeling of ornamental crops; automated irrigation. Section: Primary - Horticulture; Secondary - Crop and Ecosystem Sciences



Meyer, Deanne
(530) 752-9391
[email protected]
Animal waste management.
Mitcham, Elizabeth J
(530) 752-7512
[email protected]
Alternatives to postharvest chemicals for control of insects, decay and physiological disorders; fruit responses to postharvest handling systems. Apple, pear, cherry, blueberry, strawberry, table grapes, walnut, almond, pistachio, tropical fruit. Horticulture Section
Mitchell, Jeffrey P
559 646 6565
Conservation farming systems. Conservation tillage production alternatives. Air, soil and water quality in reduced till systems. Cropping diversity, rotations, and intensification in no-till production. Crop and Ecosystem Sciences Section
Mitloehner, Frank M.
(530) 752-3936
[email protected]
Air quality research related to livestock production, especially quantification of ammonia, dust, and odor emissions in dairies, beef feedlots, and poultry operations; environmental physiology research, focusing on effects of air emissions on animal health and welfare.
Mussen, Eric C
(530) 752-0472
[email protected]
Managing honey bees and wild bees for maximum field production, while minimizing pesticide damage to pollinator populations.




O'Geen, Anthony T.
(530) 752-2155
[email protected]
Soil-landscape relationships, hydropedology, application of digital soil databases, soil survey; pedologic and hydrologic characterization of deep regolith; management of soil physical properties; macro- and mesofauna in soil.
Oki, Lorence R
(530) 754 4135
[email protected]
Irrigation managment in urban horticulture; water quality effects on plant growth; Evaluation and introduction of California native plants for use in landscape horticulture. Section: Primary - Horticulture; Secondary - Crop and Ecosystem Sciences
Oltjen, James W
(530) 752-5650
[email protected]
On-farm animal management systems; on-farm implementation of strategies to reduce the environmental impact of cows.
Ontai, Lenna L
(530) 752-6410
Research focuses on understanding early socialization processes between parents and young children. This research program aims to understand factors that affect parents' socialization efforts such as income and cultural background. She is active in translating and disseminating current research findings in the areas of parenting, early social development and child care to programs for families with young children.



Pettygrove, G. Stuart
(530) 752-2533
[email protected]
Soil fertility, nitrate and phosphate pollution of water, dairy manure management, precision agriculture and site-specific farming, land application of wastes and wastewaters.
Ponzio, Richard C
(530) 752-8824
[email protected]
Development and assessment of science education and science literacy programs in non-school settings, developing critical thinking skills using science content and methodology, teacher education and teacher partnerships for inquiring into improved instruction strategies, school reform issues, using student portfolios for assessing accomplishment.
Prichard, Terry
(209) 468-2086
[email protected]
Irrigation water management; water infiltration; crop water requirements.
Putnam, Daniel H
(530) 752-8982
[email protected]
Alfalfa and forage crops systems, alternative field crops, crop ecology. Crop and Ecosystem Sciences Section





Reid, Michael S
(530) 754-6751
[email protected]
Postharvest technology; handling and marketing of environmental plants; postharvest physiology; physiology of flowering; chilling injury; action of ethylene; molecular biology of flower senescence. Section: Primary - Horticulture; Secondary - Agricultural Plant Biology
Robinson, Peter H
(530) 754-7565
[email protected]
On-farm animal management systems; on-farm implementation of strategies to reduce the environmental impact of cows.
Rosenberg, Moshe
(530) 752-4682
[email protected]
Food engineering, food technology, dairy chemistry, dairy technology, dairy products, food microstructure, microencapsulation.



Salmon, Terrell P
(858) 694-2864
[email protected]
Ecology, behavior, population dynamics, and control of vertebrates with particular emphasis on those affecting agricultural production and public health. Population simulation and wildlife damage control decision-making models. Development of Integrated Pest Management programs for various wildlife species. Dissemination of information to agricultural producers, wildlife managers and others dealing with both new and existing techniques of reducing wildlife damage.
Sandoval Solis, Samuel
(530) 752-2533
[email protected]
Sustainable water resource systems. Shared-vision water planning. Modeling and decision-support systems. Environmental restoration and conservation. Climate change and water management strategies.
Schwankl, Larry
(559) 646-6500
Drip, sprinkler, and flood irrigation systems with emphasis on irrigation of trees and vines. Irrigation system maintenance and chemigation. Irrigation scheduling using soil moisture monitoring and evapotranspiration techniques.
Snyder, Richard L
(530) 752-4628
[email protected]
Irrigation scheduling; freeze/frost protection; evapotranspiration modeling.
Subbarao, Krishnamurthy V
(408) 755 2890
[email protected]
Epidemiology and integrated control of fungal diseases of vegetables, cool-season vegetables, verticillium of strawberries, lettuce and other crops, methyl bromide alternatives.
Suslow, Trevor V.
(530) 754-8313
[email protected]
Integrated technologies for posthavest quality; postharvest pathology and biocontrol; food safety; postharvest quality and safety issues; refrigerated transportation. Horticulture Section



Tate, Kenneth W.
(530) 754-8988
[email protected]
Rangeland hydrology, water quality, nonpoint source pollution, grazing management. Crop and Ecosystem Sciences Section
Temple, Steven R
(530) 752-8216
[email protected]
Agronomy and host plant resistance breeding of grain legumes, sustainable farming systems. Crop and Ecosystem Sciences Section
Thompson, James F
(530) 752-6167
[email protected]
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.
Thompson, Lisa C
(530) 754-5732
[email protected]
Adaptive management of anadromous and inland fish populations; population dynamics modeling; impacts of dams and other water diversions on aquatic ecosystems; lake fertilization; food webs in rivers, lakes and reservoirs; terrestrial-aquatic linkages in watersheds.
Townsend, Marilyn S.
(530) 754-9222
[email protected]
Evaluation studies of intervention programs and integrates theories and methodologies from cognitive psychology with dietary behavior change strategies. Nutrition education (research and programs) with an emphasis on children and adolescents. She is involved in theory-driven program development and implementation, nutrition educational methodologies and program evaluation. Her work also involves health behavior change strategies.

Trzesniewski, Kali
(530) 752-2595
[email protected]

How personality and social factors influence a person’s development from conception to death. How to raise children to be healthy, productive members of society. The developmental origins, developmental course, and interrelations among self-esteem, achievement, and antisocial behavior.





Van Eenennaam, Alison
(530) 752-7942
[email protected]
Animal genomics, biotechnology.



Westerdahl, Becky B
(530) 752-1405
[email protected]
Applied nematology, integrated pest management; nematology extension.
Winter, Carl K
(530) 752-5448
[email protected]
Food toxicology, risk assessment, risk communication.
Wolpert, James A
(530) 754 6245
[email protected]
Improvement of cultural practices for winegrapes.







Zaccaria, Daniele
(530) 752-4628
[email protected]
Irrigation Specialist
Zalom, Frank G
(530) 752-0275
[email protected]
Integrated Pest Management (IPM), Tree Crops, Small Fruits, and Vegetable Crops Entomology, Water Quality, Invasive Species
Zeidler, Gideon
(951) 827-5038
[email protected]
Food quality processing and safety.
Zidenberg-Cherr, Sheri A
(530) 752-3817
[email protected]
A major focus is the study of the nutritional status of populations considered at risk of nutritional deficiencies and exposure to environmental and physiological stresses. Another aspect involves the development and testing of new approaches to educate the public such as through the education of primary targets for consumer questions, i.e. physicians.
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