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Weed Science

The Weed Science Program area of focus includes agricultural and invasive weed control (chemical, mechanical, cultural, and biological control), weed ecology, weed monitoring and forecasting, vegetation restoration, and integrated control strategies.

Susanville East View
Susanville East View
There are many informational resources available to learn how to combat weeds.  One of the most useful is a weed identification tool found at the Weed Research and Information Center.  The University of California Integrated Pest Management (UC IPM) website has a Weed Photo Gallery to help you identify your weeds.  

Pest Management of Small Grains - Weeds is a section of the Small Grain Production Manual that specifically addresses weeds and weed control. 

Encycloweedia is sponsored by the California Department of Food and Agriculture and has a photo gallery and data sheets for identification and management of noxious weeds found in California.

Willow Creek Valley
Willow Creek Valley
Weed Science Society of America promotes research, education, and extension outreach activities related to weeds.  Their website includes links for weed identification and weed management tools.

Western Society of Weed Science coordinates efforts in weed management among various states and agencies, fosters and encourages education and research in weed science, and supports solutions to weed problems.  Their website has a link to on-line lessons about herbicides.

UC Weed Science Blog
  • Master's student Erika Escalona shows off her first-place poster presentation during the 2024 California Plant and Soil Conference, hosted by UC ANR in Fresno, Calif., recently.
    Escalona shines at the 2024 California Plant and Soil Conference

    Congratulations to UC Davis weed science graduate student Erika Escalona (Fennimore Lab) for winning 1st place in the student poster presentation category at the 2024 California Plant and Soil Conference on Feb. 6-7, 2024 in Fresno, CA. * * *...


    By Gale Perez
    Posted by - Public Education Specialist
  • David Bayer
    In memoriam: David Bayer

    David E. Bayer, UC Davis weed science professor emeritus in the department of Plant Biology, passed away on Jan. 20, 2024, in Davis, CA. His memorial service was on Feb. 2, 2024 at the Davis Cemetery, which was followed by a celebration of life at the...


    By Bradley Hanson
    Editor - Cooperative Extension Specialist
    By Gale Perez
    Posted by - Public Education Specialist