UC Weed Science Reports
UC Weed Science Reports
UC Weed Science Reports
University of California
UC Weed Science Reports

UC Weed Blog

UC Weed Science Blog

  • Invasion of Stinkwort into San Benito County

    Added July 31, 2020
    Map from Calflora. Arrows and road names added by Ryan O'Dell.

    Stinkwort (Dittrichia graveolens) is a very sticky annual weed in the sunflower family with a powerful smell similar to tarweeds (Brownsey et al. 2013). Its first observation in California was in Santa Clara County in 1984. Nearly 30 years later, it had...

  • EVENT :: CA Rice Virtual Field Day

    Added July 31, 2020
    flyer California Rice Virtual Field Day

    Mark your calendar... This field day is open to the public. Please share broadly to those who may be interested in attending. California Rice Virtual Field Day When: August 26, 2020, 1:00-3:00 PM Where: Online Zoom Webinar Host: Whitney Brim...

  • Unsolicited seed packets reported across the United States

    Added July 29, 2020
    Courtesy: Washington State Department of Agriculture Facebook

    ***** New information (7/30/2020): California Agricultural Commissioner's offices are collecting seeds locally. Please contact your county office (https://cacasa.org/county/). ***** Background In the past few weeks, there has been a rash of reports...

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