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Weed control, management, ecology, and minutia
Comments:
by George Atcherson
on April 15, 2020 at 10:05 AM
Does Glyphosate kill Wooley distaff thistle?
Reply by Brad Hanson
on April 15, 2020 at 10:14 AM
George,  
Glyphosate should control woolly distaff thistle. Here's a link to an excerpted report on the species:  
http://wric.ucdavis.edu/information/crop/natural%20areas/wr_C/Carthamus.pdf  
 
That report was excerpted from this excellent resource Weed Control in Natural Areas in the Western United States:  
 
https://www.cal-ipc.org/resources/library/publications/weedcontrol/
Reply by Guy B Kyser
on April 15, 2020 at 10:16 AM
Also see this blog post.  
https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=16522  
We tested a bunch of selective herbicides because we wanted to control the thistle, but not damage the forage grasses.
 
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