About the Center
Mission statement
The Weed Research and Information Center is an interdisciplinary collaboration that fosters research in weed management and facilitates distribution of associated knowledge for the benefit of agriculture and for the preservation of natural resources.
Contact us
Mailing address:
University of California, Davis
Dept. of Plant Sciences, MS4
One Shields Avenue
Davis, CA 95616
Phone: (530) 752-1748
E-mail: wric@ucdavis.edu
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Staff
Kassim Al-Khatib
Director, UC Weed Research and Information Center
Gale Perez
Public Education Specialist, UC Weed Research and Information Center |
Weed Scientists
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Specialty |
Campus/County |
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| Al-Khatib, Kassim |
Professor and CE Weed Science Specialist |
herbicide resistance, integrated weed management, rice weed management, herbicide drift, off-target herbicide movement, herbicide mode of action, herbicide physiology, herbicide symptomology, herbicide tolerant crops, weed physiology, herbicide damage |
UC Davis |
website |
| Angeles, Jorge |
Weed Ecology and Management Advisor |
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UCCE Tulare, Fresno, Kings |
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Brim-DeForest, Whitney |
Rice and Wild Rice Advisor |
rice, weeds |
UCCE Sutter-Yuba, Capitol Corridor, Placer, Nevada |
website |
| Colwell, Alison |
Curator |
Orobanchaceae, flora of Yosemite, California rare plants |
UC Davis |
website |
| Daugovish, Oleg |
Strawberry and Vegetable Crops Advisor |
ag and environmental issues for veg crops and strawberries |
UCCE Ventura |
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| Eviner, Valerie |
Professor and Ecologist |
understanding of plant-soil interactions to increase our understanding and effective management of: ecosystem services, plant invasions, restoration, plant community composition, biogeochemical cycling, global change, grazing systems, and resilience of ecosystem structure and function |
UC Davis |
website |
| Fennimore, Steve |
CE Weed Specialist (Professor of Cooperative Extension) |
weed control in cool-season vegetables, weed biology, weed seed germination |
UC Davis (located in Salinas) |
website |
| Getts, Tom |
Weed Ecology and Cropping Systems Advisor |
weed ecology and cropping systems |
UCCE Lassen, Modoc, Plumas, Sierra |
website |
| Galdi, Giuliano |
Agronomy and Weed Management Advisor |
weed ecology and cropping systems |
UCCE Merced, Stanislaus, San Joaquin |
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| Goncalves, Clebson |
Diversified Agriculture Advisor |
weed science (chemical and organic approaches), IPM, ornamental crops, and turfgrass |
UCCE Lake-Mendocino |
website |
| Grewell, Brenda |
Research Ecologist |
plant biology and ecology; ecology of biological invasions that contribute to the development of ecologically-based and environmentally benign management strategies for invasive aquatic; wetland and riparian plants in the Pacific West that will reduce undesired impacts on non-target organisms and the environment |
USDA-ARS Invasive Species and Pollinator Health Research Unit (UC Davis) |
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Hanson, Brad |
CE Weed Specialist (Professor of Cooperative Extension) |
weeds, weed control, herbicide resistance, weed biology, invasive plants, pest control in fruit and nut crops and other agricultural production systems |
UC Davis |
website |
| Hill, Ryan |
Agronomy and Weed Management Advisor |
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UCCE Tehama, Shasta, Glenn |
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| Larsen, Royce |
Area Natural Resource/Watershed Advisor |
water quality and non-point source pollution on rangelands, rangeland improvements, noxious invasive weeds, wildland fires, grassland restoration and endangered species |
UCCE San Luis Obispo-Monterey-Santa Barbara |
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| Light, Sarah |
Area Agronomy Advisor |
alfalfa/hay, beans, wheat, grains, corn, sorghum, barley, sunflower, safflower, oil seed (canola, soybean), pseudo-cereal (buckwheat, chia, quinoa, amaranth) |
UCCE Sutter-Yuba |
website |
| McDonald, Chris |
Inland and Desert Natural Resources Advisor |
invasive plants, weeds, native plant restoration, vegetation management |
UCCE San Bernardino, Imperial, Riverside, San Diego |
website |
| Mesgaran, Mohsen |
Professor |
weedy and invasive plants in agricultural and natural systems |
UC Davis |
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| Oneto, Scott |
Farm Advisor |
rangeland management, weed science, home horticulture, livestock |
UCCE Central Sierra (Amador, El Dorado, Tuolumne, Calaveras) |
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| Ozeran, Rebecca |
Livestock and Natural Resources Advisor |
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UCCE Fresno, Madera |
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| Rao, Devii |
Area Livestock and Natural Resources Advisor |
rangeland ecology and management, rangeland conservation, grazing management, conservation of biological diversity, watershed protection and management |
UCCE San Benito, Monterey, Santa Cruz |
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| Shrestha, Anil |
Associate Professor |
IPM in ag and non-ag systems, weed biology and ecology, crop-weed competition, herbicide-resistance management, environmental aspects of vegetation management, cropping systems, agroecology, conservation tillage, and organic farming |
CSU Fresno |
website |
| Steinmaus, Scott |
Professor |
weeds in agriculture and invasive plants in wild lands |
Cal Poly San Luis Obispo |
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| Stoddard, Scott |
Vegetable Crops and Soils Farm Advisor |
soil fertility and conservation, tomatoes, peppers, sweetpotatoes, weed management |
UCCE Merced, Madera |
website |
| Valliere, Justin |
CE Weed Specialist (Assistant Professor of Cooperative Extension) |
invasive weed and restoration ecology |
UC Davis |
website |
| Windbiel-Rojas, Karey |
Area IPM Advisor |
urban IPM |
UCIPM / UCCE Yolo, Capitol Corridor |
website |
| Wheeler-Dykes, Becky |
Orchard Systems and Weed Ecology Advisor |
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UCCE Glenn, Tehama, Colusa |
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| Wilson, Rob |
Farm Advisor |
pest managment in vegetable and field crops; potato variety development; production of potatoes, onions, peppermint, and small grains |
UC ANR Intermountain Research & Extension Center |
website |
Retired Weed Scientists
- Ashton, Floyd :: Professor :: Dept. of Botany, UC Davis :: retired 7/1/1988
- Anderson, Lars :: Plant Physiologist :: USDA-ARS Exotic & Invasive Weed Research Unit :: retired 12/31/2011
- Bean, Travis :: CE Weed Science Specialist :: UC Riverside :: passed away May 2020
- Bell, Carl :: Regional Advisor :: UCCE San Diego :: retired 2014
- Canevari, Mick :: Farm Advisor :: UCCE San Joaquin :: retired 7/1/2009
- Cudney, Dave :: CE Weed Ecologist :: UC Riverside :: retired 2003, passed away 3/30/2023
- DiTomaso, Joe :: CE Weed Specialist :: Dept. of Plant Sciences, UC Davis :: retired 7/1/2017
- Elmore, Clyde :: CE Weed Specialist :: Dept. of Vegetable Crops, UC Davis :: retired 2002
- Fischer, Albert :: Professor :: Dept. of Plant Sciences, UC Davis :: retired 2/13/2016, passed away 11/22/2022
- Hembree, Kurt :: Farm Advisor :: UCCE Fresno :: retired 7/1/2020
- Hill, Jim :: CE Specialist :: Dept. of Plant Sciences, UC Davis :: retired 2015
- Holt, Jodie :: Professor :: Dept. of Botany & Plant Sciences, UC Riverside :: retired 2015
- Jasieniuk, Marie :: Professor :: Dept. of Plant Sciences, UC Davis :: retired 1/1/2023
- Kyser, Guy :: Specialist :: Dept. of Plant Sciences, UC Davis :: retired 7/1/2022
- Lanini, Tom :: CE Weed Specialist :: Dept. of Plant Sciences, UC Davis :: retired 2013
- Le Strange, Michelle :: Farm Advisor :: UCCE Tulare-Kings :: retired 2014
- Madsen, John :: Research Biologist :: USDA-ARS Invasive Species and Pollinator Health Unit :: retired Dec. 2022
- Marcum Dan :: Farm Advisor :: UCCE Shasta-Lassen :: retired 2013
- Molinar, Richard :: Farm Advisor :: UCCE Fresno :: retired 2013
- Munier, Doug :: Farm Advisor :: UCCE Glenn-Butte :: retired 7/1/2013
- Norris, Robert :: Professor :: Dept. of Vegetable Crops, UC Davis :: retired 2001
- Orloff, Steve :: County Director and Farm Advisor :: UCCE Siskiyou :: passed away 10/2017
- Pitcairn, Mike :: Senior Environmental Research Scientist :: CDFA Biocontrol Program :: retired 2020
- Roncoroni, John :: Farm Advisor :: UCCE Napa :: retired 7/1/2020
- Schmierer, Jerry :: Farm Advisor :: UCCE Colusa-Glenn-Sutter-Yuba :: retired 4/30/2011
- Smith, Richard :: Farm Advisor :: UCCE Monterey-Santa Cruz-San Benito :: retired 1/4/2023
- Spencer, Dave :: Ecologist :: USDA-ARS Exotic & Invasive Weed Research Unit :: retired 1/3/2015
- Vargas, Ron :: Farm Advisor :: UCCE Madera :: retired 7/1/2006
- Wilen, Cheryl :: Area IPM Advisor :: UCCE San Diego-Orange-Los Angeles :: retired 4/ 2020
- Wright, Steve :: Farm Advisor :: UCCE Tulare-Kings :: retired 7/1/2016
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