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

One of the major research and extension areas in my program is weed control efficacy in orchards and vineyards. During the 2012-13 growing season, we conducted about 50 herbicide efficacy trials in commercial orchards or research station sites.

Since beginning the California phase of my career eight years ago (first with USDA-ARS and more recently with University of California), I have been involved to one degree or another in soil fumigation projects.

Introduction to the species: Abutilon theophrasti (commonly known as velvetleaf) is a summer annual weed native to Asia. For those not familiar with the species, plants are tall (to 1-2 m) and erect with green- or purple-colored stems that branch at higher leaf axils (Warwick and Black 1988).

I don't mulch much but this caught my eye: using those big round straw bales that unroll behind the tractor as an easy way to put out a mulch. John Wilhoit & Timothy Coolong (2013).

Here's information on the Medusahead and Barb Goat Grass Forum that will be held on November 5, 2013, at the UC Sierra Foothill Research & Extension Center (SFREC) in Browns Valley, CA. THIS IS A FREE EVENT to discuss the research and management strategies of medusahead and barb goatgrass.