UCCE Sonoma County
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UCCE Sonoma County

Posts Tagged: invasive weeds

WSSA educational materials about weeds and their impact

Weed Facts screenshot

The Weed Science Society of America (WSSA) announced earlier this month several new or updated educational publications about weeds and weed impacts that will be of interest to both the scientific community as well as the general public. Click here for the press release and an overview of the...

Posted on Thursday, February 25, 2016 at 2:04 PM

Expect a big year for yellow starthistle in 2016

Yellow starthistle in Calaveras Co in 1998

So far, this year is beginning to look like a strong El Nino weather pattern throughout much of California. The last time we had a very strong El Nino was the winter of 1997-1998. For those of you that remember back then, yellow starthistle (Centaurea solstitialis) infestations were enormous, both...

Posted on Friday, January 8, 2016 at 1:40 PM

Rushin' thistles

Still from tumbleweed video

This salsola scene reminds me of Alexander Nevsky's battle on the ice, or maybe Rimsky-Korsakov's "Flight of the Tumbleweed"

Posted on Monday, December 14, 2015 at 8:29 AM

Water hyacinth surfactant test


In summer 2015, USDA-ARS and UC Davis Dept of Plant Sciences set up a water hyacinth control study with California Department of Boating & Waterways. The goal of the study was to determine the best of several different surfactants to pair with an aquatic-use formulation of glyphosate. Aquatic...

Posted on Wednesday, November 4, 2015 at 10:37 AM

(Weed) Science and Replication

I have had the pleasure to conduct a variety of experiments, watch numerous management talks and take many classes on the scientific method. During these adventures I've noticed that people seem to misunderstand (or not comprehend the full power of) replication.   Replication is the...

Posted on Monday, August 25, 2014 at 2:28 PM

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