UC Weed Science (weed control, management, ecology, and minutia)

New Risk Assessments Just Posted for Invasive Weeds The U.S. Department of Agriculture's Animal and Plant Health Inspection Service ?recently posted Weed Risk Assessments for a dozen new weeds of concern. Eleven of the 12 are already documented in the West.

The California Weed Science Society met two weeks ago in Monterey. As always, it was an excellent conference with numerous informative sessions across all aspects of weed management in the state.

I just read Ben Faber's blog post titled "Weed ID in Your Hands" from the Topics in Subtropics blog. Ben mentions, "Who says you can't know all those wild things growing in the field you didn't put there? Here's a chance to learn what they are for cheap.

As the 2020 growing season approaches, California growers, PCAs and handlers will have new regulations to take into consideration. The United States Environmental Protection Agency (EPA) recently announced new requirements for handling paraquat (paraquat dichloride).

Weeds in young orchards compete with trees for orchard resources such as sunlight, water and nutrients. This can lead to reductions in growth and future yields.