UC Weed Science

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Figure 1: Broomrape species
a: Egyptian broomrape (left) grown in bio-control greenhouse with branched broomrape (right), b: branched broomrape, c: two color morphs of small broomrape, d: ivy broomrape e: dessert broomrape
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Broomrape Species: ecological insights and economic significance

September 28th, 2023
By Bradley Hanson
The Orobanchaceae family comprises 270 holoparasitic species that cannot photosynthesize. Instead, they rely entirely on the host plant roots for nutrition, and can produce great numbers of minute, dust-like seeds that last for years in the soil.
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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)
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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.
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AAIE logo
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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.
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East Bay Regional Park District logo
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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.
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Ryan Hill: Weed Science and Agronomy Advisor
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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.
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