UC Weed Science

The latest issue of Farm Advisor's Update is out (Feb. 2018.) The newsletter is written by Tom Getts (UC Cooperative Extension Weed Ecology/Cropping Systems Advisor in Lassen-Modoc-Plumas-Sierra counties.

Last year about this time, I posted a blog regarding an ongoing trial investigating various herbicides for Pre-emergent Control of Medusahead. I wanted to follow up on that trial which I deemed unsuccessful and share some of the data collected in 2017.

The Sacramento-San Joaquin Delta Conservancy has been organizing the Arundo Control and Habitat Restoration Program since 2014.

Saharan mustard is originally from the Mediterranean. It was introduced to California where it became a weed, particularly in the dryer parts of the state. Livestock can be poisoned by Saharan mustard if they are kept in fields that have little else to eat but Saharan mustard.

Italian ryegrass (Lolium perenne spp. Multiflorum), is an annual grass common in Sacramento Valley orchard and field crops (Figure 1).