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

Roadsides are often a very difficult place to control weeds. Weeds thrive on roadsides and roadsides and rights of way are obviously long and narrow.

Wildfire is an important ecological process that shapes patterns of plant diversity in many Mediterranean ecosystems, including California.

A new herbicide for early-season weed control in water-seeded rice will be available soon. The herbicide active ingredient (a.i.) is pyraclonil, which will be trademarked as Zembu (1.8% a.i.) by Nichino, America Inc. The mode of action is a protox porphyrinogen (PPO)-inhibitor or Group 14.

A recent article in the LA Times argued that California native plants should not be the only option for drought-tolerant landscaping.

From Butte County Agricultural Commissioner's office: A weed sample collected in Butte County on September 19, 2023, was submitted to the California Department of Food and Agriculture (CDFA) botany lab for identification. The sample was identified as White Water Fire (Bergia capensis).