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

Invasive species are plants, animals, fungi or microbes that are not native to an area, but can quickly establish, multiply, and become pests. These species can hurt the environment, agricultural production, and even human health in some instances (e.g. the mosquito Aedes aegypti).

In 1997-1998, the big El Nino year in California, yellow starthistle (Centaurea solstitialis) (YST) infestations throughout the state were probably the largest that I have seen in my time in California.

Here's something from the Aquatic Plant Management Society blog :: posted Feb. 2017 (Original source: East County Today) DBW Begins Herbicide Treatment in the Delta for Water Hyacinth and Egeria Densa SACRAMENTO, Calif.

The latest edition of the Lassen Farm Advisor's Update newsletter is out. The Feb.

I've reposted (with permission) Stephen Flanagan's article from The IR-4 Project. Check out the whole issue "Volume 48 No.1 Winter 2017" for several interesting articles from a program that is incredibly important to pest management in specialty crop agriculture.