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

WRIC banner

Primary Image
Egyptian broomrape

Watch out for parasites! (Wait, in my tomato field?)

June 7, 2018
By Tunyalee Martin, Eugene M Miyao
No, I'm not talking about ticks or fleas on your dog. Actually, I'm talking about a parasitic weed that lives by attaching itself to the roots of other plants. This parasite is broomrape, a plant that has no chlorophyll and lacks conspicuous leaves.
View Article
Primary Image
Spaghetti-like stems of Japanese dodder growing on a tree. (Credit: Vince Guise)

Invasive Spotlight: Japanese Dodder

June 7, 2018
From the Pest in the Urban Landscape blog June 6, 2018 When people think of parasites, often what comes to mind are blood-sucking insects like bed bugs, head lice, and fleas or other bodily invaders on or in humans and other animals. But plants can have parasites too.
View Article
Primary Image
52268 original

And Now Paraquat

June 4, 2018
By Ben A Faber
A recent call about the poor control of marestail (horseweed, Conyza canadensis) to glyphosate (Roundup) wasn't surprising, but that paraquat didnt do the trick was. It turns out that there is multiple resistance to the materials.
View Article