Workgroup Directory/Information
To join an existing Workgroup, please email the group's chair or co-chair. Contact information is available on the below Workgroup pages or on individual faculty pages.
Workgroup Directory
Workgroup Information European Pear |
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Summary | The European Pear Workgroup continues to focus more on horticulture, particularly new varieties, rootstocks, and planting systems to accommodate labor efficient orchard operations using orchard platforms and other means. There is also new information being developed on using oil to mitigate the effects of poor chilling and increase fruit size and quality. This occurs coincidently with the loss of the Extension Specialist covering pears and downsizing of applied horticulturists at the campus level. County-based advisors are increasingly working with Pacific Northwest colleagues with similar interests and goals. A productive relationship with the Agricultural Ergonomics Research Center has also been established to study platform machines. Pest management activities continue to focus on alternatives to broad-spectrum pesticides, e.g. organic codling moth (CM) control, development of a new bactericide, i.e., kasugamycin, for fire blight management, secondary pests in mating disruption programs etc. Resistance to streptomycin is widespread and terramycin resistance has been recently described in the state for the first time worldwide. Resistance to scab fungicides is also of major concern to growers.Statewide surveys have been initiated in the last two years. A major accomplishment is the release (in spring 2007) of the new Pear Production and Handling Manual. |
Workgroup Chair Information | |
Name | Rachel Elkins (Chair) |
Phone | (707) 263-6838 |
rbelkins@ucanr.edu | |
Unit: | Lake County |
Location: |
UC Cooperative Extension 883 Lakeport Boulevard Lakeport, 95453 |
Membership List |
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Haug, Megan | ||
AES Scientist | ||
Adaskaveg, James | Plant Pathology | |
Professor and Plant Pathologist (test editing) | Mycology, plant pathology, ecology and epidimiology of fungi (test edits) | |
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 | |
Brummer, Charles | ||
Director, Plant Breeding Center | Plant Breeding, Alfalfa, Tall Fescue, Forages, Wild Rice, Spinach, Sustainable Agriculture, Organic Agriculture | |
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 | |
Delwiche, Michael | Biological & Agricultural Engineering | |
Professor Emeritus | Electronic instrumentation and sensor development in biological systems; biosensors; postharvest engineering; digital signal and image processing; computer control; biological control of insect pests. | |
Duraj, Victor | ||
Fathallah, Fadi | Biological & Agricultural Engineering | |
Professor | Occupational biomechanics and ergonomics with special emphasis on agricultural environments | |
Leslie, Chuck | ||
Lindow, Steven | Dean's Office CNR | |
Professor and Executive Associate Dean, CNR | Molecular and ecological studies of plant-associated bacteria | |
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) | |
Distinguished Professor, Entomology, Cooperating Faculty, Chemistry | 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 | |
Montanari, Sara | ||
Pear genetics and breeding | ||
Neale, David | Department of Plant Sciences | |
Professor | ||
Rizzo, David | Plant Pathology - CAES | |
Department Chair and Professor | Mycology; fungal diseases of woody plants, fungal ecology; forest pathology | |
Shackel, Kenneth | Department of Plant Sciences | |
Professor/Pomologist-AES | Plant-based irrigation management, particularly in trees and vines. Use of the pressure chamber and stem water potential (SWP) as a measure of plant stress, and the use of stress to optimize productivity and save water. | |
Slaughter, David | Biological & Agricultural Engineering | |
Professor | Instrumentation and postharvest engineering for biological materials; packaging, handling, storage and transportation of agricultural commodities; nondestructive measurement of quality and composition of biological materials; robotics, control and vision | |
Sumner, Daniel | Agricultural Issues Center | |
Frank Buck Jr. Chair Professor | Economics of Agricultural Issues | |
Upadhyahya, Shrini | UC Davis Dept. Bio and Ag Engineering | |
Professor | precision agriculture, machinery design | |
Volder, Astrid | Department of Plant Sciences | |
Professor | Root biology, tree systems, whole plant physiology, climate change | |
Vougioukas, Stavros | Biological & Agricultural Engineering | |
Associate Professor | Mechanization, Robotics, Automation | |
ZWIENIECKI, MACIEJ A | ||
AGRON AES | Plant water relations, perenial plants physiology, dormancy, non-structural carbohydrates | |
CE Advisor | ||
Caprile - Emeritus, Janet | Contra Costa County Cooperative Extension | |
Farm Advisor | Commercial fruit, nut, vine, vegetable, field, specialty crops | |
Elkins, Rachel | Lake County | |
Pomology Farm Advisor in Lake and Mendocino Counties and Master Gardener Advisor in Lake County - Emeritus | ||
Greer, Christopher | San Luis Obispo County | |
Area Cooperative Extension Advisor - Integrated Pest Management | Integrated Pest Management of Agricultural Crops | |
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 | ||
Roncoroni, John | Napa County | |
Weed Science Farm Advisor, Emeritus | Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic Weed Control | |
Varela, Lucia | Integrated Pest Management (IPM) Statewide Program | |
North Coast IPM Advisor - Emeritus | Apples, pears, wine grapes, pest management | |
CE Specialist | ||
Crisosto, Carlos | Kearney Agricultural Research & Extension Center | |
CE Postharvest Physiologist | Extension and research on postharvest biology and technology of fruits; fruit and nuts quality and deterioration and handling systems | |
Donis-Gonzalez, Irwin | Biological & Agricultural Engineering | |
Associate Professor of Cooperative Extension in Postharvest Engineering | Postharvest Engineering | |
Gubler, Walter | Plant Pathology - CAES | |
Extension Plant Pathologist | Trees, vines, small fruits | |
Hanson, Bradley | Department of Plant Sciences | |
Cooperative Extension Specialist | Chemical and non-chemical weed control in agricultural crops with a focus on herbicide peformance, resistance, crop safety, and environmental fate. | |
Lampinen, Bruce | Department of Plant Sciences | |
Integrated Orchard Management, Walnut and Almond Specialist | Integrated Orchard Management with an emphasis on walnuts and almonds | |
Mitcham, Elizabeth | Department of Plant Sciences | |
Director, Postharvest Center | 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 def | |
(info only) Suslow, Trevor | Department of Plant Sciences | |
Extension Research Specialist | Preharvest to Postharvest Microbial food safety systems,postharvest transportation, Postharvest pathology | |
VanSteenwyk, Robert | Environmental Science, Policy and Management (ESPM) | |
CE Entomologist | Deciduous fruits, nuts and vines | |
Other ANR | ||
Biasi, Bill | Department of Plant Sciences | |
Staff Research Associate | Postharvest Fruits & Nuts | |
Farrar, James | Integrated Pest Management (IPM) Statewide Program | |
Director, Statewide IPM Program | IPM, integrated pest management, plant pathology, vegetable diseases, fungi | |
UC Davis, FNRIC | ||
(info only) Frost, William | Central Sierra Cooperative Extension | |
CE Advisor, Emeritus | ||
Martin, Tunyalee | Integrated Pest Management (IPM) Statewide Program | |
Associate Director for Communications | Leads UC IPM communications, manages IPM publication projects, and supervises editorial and technical staff developing and producing IPM outreach materials for Web and print. | |
Non-UC | ||
Bassil, Nahla | ||
Baumgartner, Kendra | Plant Pathology - CAES | |
USDA-ARS research plant pathologist | grapevine diseases | |
Bell, Richard | ||
Research Horticulturist | Pear breeding and genetics | |
Beumel, Cliff | ||
nursery | ||
Browne, Greg | Plant Pathology - CAES | |
USDA Research Plant Pathologist | Soil-borne diseases of fruit and nut trees and other horticultural crops | |
Callis, John | ||
Fleck, Chuck | ||
R&D and Product Development | ||
Kluepfel, Daniel | Plant Pathology - CAES | |
Knight, Alan | ||
Research Entomologist | ||
Light, Doug | ||
McCaa, Pat | ||
McClain, Bob | ||
Research Coordinator, California Pear Advisory Board | ||
(info only) Moore, Denise | ||
Moro, Jennifer | Fowler Nurseries | |
Research and Product Development Director | propagation, evaluation, horticulture | |
Norelli, Jay | USDA-ARS-AFRS | |
Research Plant Pathologist | disease resistance, management | |
Ohmart, Cliff | ||
Postman, Joseph | ||
Reed, Barbara | Dept. Horticulture | |
Researcher | plant propagation | |
Seybold, Steven | ||
Wada, Sugae | Dept. Horticulture | |
Researcher | plant propagation | |
Zanobini, Chris | ||
Membership Totals | ||
Number of Members | 64 | |
ANR Members | 43 | |
Non-ANR | 21 | |
Info Only | 3 |