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

WRIC banner

Article

Herbicide Injury on Tomato

June 5, 2017
We are a little over a month into the processing tomato season. I have received a couple of farm calls regarding herbicide damage or symptoms originally thought to be diseases. The first was trifluralin injury to young tomato plants.
View Article
Article

Weeds, Defined (mostly)

May 30, 2017
By Chris J McDonald
Ralph Waldo Emerson, called a weed a plant whose virtues that have not yet been discovered. I disagree, and yet generally speaking he is correct, what we call a weed is in the eye of the beholder, a plant that it is not helpful, useful or wanted.
View Article
Article

Hemlock in the news

May 23, 2017
Was happy to hear a Cap Public Radio story this morning about poison hemlock (Conium maculatum). I had some thoughts on the report. 1) Poison hemlock is not native to Nevada, as the story suggested... it's a European weed (think Socrates). Maybe the writers heard "naturalized".
View Article