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Trichlopyr ester?

Started by metalman1, April 23, 2022, 01:05:55 PM

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metalman1

People,

Is trichlopyr brush killer the same as trichlopyr ester? Want to kill tough plants like bamboo, palm tree sprouts, oak, etc. I read about a "salt" vs an ester, and I know a salt is not an ester. 

Also, is picloram better for tough plants? 

I will be diluting it with water for a spray on leaves, to kill the plant mostly. 

doc henderson

I think it is the same.  a "salt" has broad definition.  
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doc henderson

Carbonate Ester - Assignment Point

a salt is more a acid and a base combined, the ester may be organic and or 2 acids, or an alcohol.  but prob. the same weed/brush killer.  not sure if one is more potent.
Timber king 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor powered by a 12 volt tarp motor

Magicman

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WDH

Picloram is soil active and will kill non-target plants in proximity to the target plant if the herbicide gets in the soil and root zone.  Trichlopyr, I believe, is not soil active and must have foliar contact with a plant to kill it. 

You must take great care not to let any of the picloram spray get in the root zone of any non-target plant that you do not want to kill.  I only use it hack-n-squirt directly into stems and take care to keep the liquid in the hack of the target plant and do not let any get on the soil.  Trichlopyr can be sprayed on foliage and any that falls on the soil does not pose the same risk as with picloram. 
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metalman1

Quote from: WDH on April 23, 2022, 09:09:38 PM
Picloram is soil active and will kill non-target plants in proximity to the target plant if the herbicide gets in the soil and root zone.  Trichlopyr, I believe, is not soil active and must have foliar contact with a plant to kill it.  

You must take great care not to let any of the picloram spray get in the root zone of any non-target plant that you do not want to kill.  I only use it hack-n-squirt directly into stems and take care to keep the liquid in the hack of the target plant and do not let any get on the soil.  Trichlopyr can be sprayed on foliage and any that falls on the soil does not pose the same risk as with picloram.
Good to know, W. And thanks, Doc, for your input. I will go with triclopyr. I guess the ester vs "regular" should not be an issue. Why they market it as ester is still a curiosity. But for the record, a salt is not an ester. 

doc henderson

I agree.  sounds like the ester can penetrate a waxy coating better, but is more volatile at higher temps.  both works as weed killer.  there are references to an ester as a salt in general terms.  I am not a chemist.   :)
Timber king 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor powered by a 12 volt tarp motor

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