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

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Common purslane leaves and flowers (Photo by Joe DiTomaso)

Common purslane: weed it and eat it

September 14, 2018
By Guy Kyser
This has been a big year for purslane at the UC Davis farm. Common purslane (Portulaca oleracea) is a succulent summer annual weed with fleshy leaves and rubbery-looking stems. Native to Eurasia, or maybe Africa, purslane arrived in the Americas with the first Europeans to settle here.
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Weeds bordering avocado orchard

New class of herbicides?

September 13, 2018
By Ben A Faber
From the Topics in Subtropics blog A garden can be a competitive environment. Plants and unseen microorganisms in the soil all need precious space to grow. And to gain that space, a microbe might produce and use chemicals that kill its plant competitors.
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Translocation of glyphosate

Will climate change affect the sensitivity of weeds to herbicides?

September 10, 2018
By Gale Perez
Herbicides are the main means of controlling weeds. Recently, there has been increasing concern over the potential impacts of climate change, specifically, increasing temperatures and elevated carbon dioxide (CO2) concentrations, on the sensitivity of weeds to herbicides.
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Houndstongue from WRIC pub

Houndstongue info and links

September 4, 2018
By Brad Hanson
I was debating about what to post on the weed blog this week and, like manna from heaven, a topic dropped in my lap! Well ok, it was actually the summer newsletter from the Western Society of Weed Science but it had an article about biological control agents on houndstongue (Cynoglossum officiniale)...
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