UC Weed Science

Primary Image
Non-native grasses are invading vast swaths of southern California. Those grasses feed wildfire, including the recent York Fire in the Mojave Desert. Recent fires have torched more than a million of the iconic Joshua trees native to the region. (Ziarnek-Krzysztof/Wikimedia Commons)
Article

Wildfires linked to invasive grasses, Valliere says

September 24th, 2023
Auto emissions 'fertilize' fuel Joshua trees burning in the Mojave Desert are the victims of changing patterns of wildfire, fueled by the spread of grasses that are not native to the region, restoration ecologist Justin Valliere told media in recent interviews.
View Article
Primary Image
AAIE logo
Article

EVENT :: AAIE Conference

September 22nd, 2023
Anil Shrestha (Weed Science Professor, with the Department of Plant Science at CA State University, Fresno) will be speaking at the Association of Applied IPM Ecologist (AAIE) Annual Conference in Visalia, CA. His talk on "Managing weeds in an IPM program. Ecology plays a big part.
View Article
Primary Image
East Bay Regional Park District logo
Article

Job announcement :: Vegetation Ecologist (2)

September 21st, 2023
The East Bay Regional Park District is currently recruiting for two (2) Vegetation Ecologists and these positions will be headquartered at the Park District's Administrative Office, 2950 Peralta Oaks Ct., Oakland.
View Article
Primary Image
Ryan Hill: Weed Science and Agronomy Advisor
Article

New Advisor for Weed Science and Agronomy: Ryan Hill

September 11th, 2023
By Ryan Hill
My name is Ryan Hill, and I am the new UC Cooperative Extension Weed Science and Agronomy Advisor in Tehama County, also serving Shasta and Glenn counties. I received a B.S. in Biology from George Fox University in 2014 and an M.S.
View Article
Primary Image
Doctoral student Tong Zhen is studying the effectiveness and soil impacts of this electrical weed control device, made by the Brazilian company Zasso, He’s working with Brad Hanson, professor of UC Cooperative Extension, both in the UC Davis Department of Plant Sciences. (Trina Kleist/UC Davis)
Article

Zap those pesky invaders: technology sparks alternative to herbicides

September 10th, 2023
A contraption with a long, low, green metal arm swept noisily along the edge of a row of almond trees in an experimental orchard just west of UC Davis. Little flashes of light sparked between the bottom of the arm and the green weeds below, and puffs of gray smoke wafted up from the stricken pests.
View Article