Hero Image

Weed Science

The Weed Science program, based out of the University of California Cooperative Extension- Napa County office, holds a wealth of weed related information and is a must visit if you are looking to learn more about control tactics or identification. You can also find some important links below:

UC Weed Science Blog
  • Doctoral candidate Matt Fatino, center, is one of the 'weed doctors' who will be available during Picnic Day 2024 to answer people's questions about the pesky plants growing in their lawns, fields and pastures. Whitney Brim-DeForest, left, is a Department of Plant Sciences graduate and expert in rice-field weeds who now is the UC Cooperative Extension County Director for Sutter and Yuba counties. (UC Davis)
    Weed doctors seek solutions for pesky plants

    Hanson: “Some weeds you can only eat once” Dandelions are pretty, but weeds nationwide cost homeowners, farmers, ranchers and land managers tens of billions of dollars each year in...


    By Trina Kleist
    Author - Communications Specialist
    By Gale Perez
    Posted by - Public Education Specialist
  • Our Student Winners!  From left to right: Sawyer Claussen, Robert Willmott, Jennifer Valdez Herrera, Erika Escalona, and Stephen Chang
    CWSS: Student Winners and Schlorship Opportunity!

    **** Students, it is the time of year to apply for the CWSS Student Scholarship! Awards will be given to both graduate and undergraduate students ranging from $1,000-2,000. Any students interested...


    By Thomas J Getts
    Author - Weed Ecology & Cropping Systems Advisor
Photo of John A Roncoroni
John A Roncoroni
Title: Weed Science Farm Advisor, Emeritus
Specialty: Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic Weed Control
Address:
UC Cooperative Extension
1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
Phone: 707-253-4221
Email: jaroncoroni@ucanr.edu

UC Weed Science Twitter Feed