UCCE Master Gardeners of San Joaquin County
University of California
UCCE Master Gardeners of San Joaquin County

Posts Tagged: Fleabane

And Now Paraquat

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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. ...

Posted on Monday, June 4, 2018 at 8:00 AM
Tags: avocado (4), citrus (30), fleabane (2), hairy (1), herbicide (61), horseweed (7), marestail (4), pesticide (14), resistance (6)
Focus Area Tags: Agriculture

What is that in my grove, Horseweed or Hairy Fleabane?

Photo 2. (Right) Seedlings of hairy fleabane (top) and, horseweed (bottom). (Photo: Shrestha et al. 2008).

As a farm advisor many growers will ask, “What is that in my grove- horseweed or fleabane?” These two weeds have been running rampant in Southern California, as well as other parts of the state and can be seen in every cropping system...

Posted on Wednesday, January 27, 2016 at 11:45 AM
 
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