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Gadfly

Joined: 12/12/2004 Posts: 8130
Likes: 646

What's this?

Likely a pyridine carboxylic acid-based herbicide, such as picloram.


The residential lawn herbicides using these chemistries include clopyralid, aminopyralid, etc.

Unfortunately/fortunately, many of these types of herbicides are not for sale to/use by homeowners due to their toxicity in compost as they are persistent and act at very low concentrations due to their hormonal activity.

(In response to this post by B777Fr8Dog)

Posted: 03/28/2020 at 09:17AM


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Current Thread:
 
  Chickweed and henbit beware - my pasture herbicide guy is here and he is -- B777Fr8Dog 03/27/2020 6:24PM
  What is he using? I have terrible chickweek in flower bed amongst mulch. ** -- Josey Wales 03/27/2020 8:01PM
  I’m not sure. I’ll check when he comes back to spot treat where his -- B777Fr8Dog 03/27/2020 8:17PM
  Likely a pyridine carboxylic acid-based herbicide, such as picloram. -- Gadfly 03/28/2020 09:17AM
  Probably 2, 4-D ** -- typed by ben 03/28/2020 09:12AM
  Yes, better choice. ** -- Gadfly 03/28/2020 09:32AM
  I also need this info ** -- psychobilly 03/27/2020 9:58PM
  Me too. Overrun with chickweed. ** -- EDGEMAN 03/28/2020 08:06AM
  Warm wet winter ** -- B777Fr8Dog 03/28/2020 09:14AM

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