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Re: [NAFEX] Re: Killing Poison Ivy



My understanding is tha Roundup biodegrades rapidly after it is mixed with water.
If you leave some in the sprayer all mixed for a few days you will find it does not work anymore.
A normal spraying of 2-4-D washes into the soil and will migrate within the soil over a long period of time, but tests have shown that it moves very slowly and in a normal soil (not sand) it will be many years before any shows up in the water table.
Sam

Mauch1@aol.com wrote:

> >The best medicine is
> >2,4-D applied when the plants are fully leafed out, and it >will have to
> >be done more than once, perhaps in successive seasons.  >Oddly enough,
> >2,4-D is more effective than the much pricier glyphosate
> >(Roundup) at
> >eliminating p.i.
> I agree that Roundup is only moderately effective against p.i.
> One question that bounces around in my head is what happens after you spray?  Does the 2,4-D wash into streams or water table?  I remember when Roundup first came up it was supposed to "bind to the soil particles", this doesn't make me overly comfortable, but perhaps it prevents it from washing into streams or the water table.
>
> 2,4-D is highly toxic to grapes, and it can, under certain atmospheric conditions be "reabsorbed" into air and drift (I'm not talking about wind driven drift at the time of spraying).  Since it is a broad-leafed weed killer, it has been popular for corn.

Whlie our FDA does not monitor it, the European medical community has been using oral imunization methods for years now.


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