[APWG] Herbicides glyphosate compounds Effects Re: Heavy use of herbicide Roundup linked tohealth dangers:study

[Wayne Tyson]

Thanks to the several people who have provided links to actual research rather than folklore and propaganda. 

WT
  ----- Original Message ----- 
  From: Gena Fleming 
  To: Lauren Smith ; apwg at lists.plantconservation.org 
  Sent: Wednesday, May 08, 2013 11:02 AM
  Subject: Re: [APWG] Heavy use of herbicide Roundup linked tohealth dangers:study


  Thank you, Lauren.  Thus far,  I have briefly scanned over some of the abstracts from a literature search of this author.  This is very helpful research.    - Gena



  On Tue, May 7, 2013 at 2:17 PM, Lauren Smith <smith659 at indiana.edu> wrote:

    In addition to the sources that Gena sent, you might all be interested in Rick Relyea's work on non-target effects of Roundup on amphibians.  http://www.pitt.edu/~relyea/Site/Welcome.html  The Roundup tab has information about one particular study, but he has other interesting work in his publication list on how sublethal levels of herbicides can alter interactions amongst predators and prey or competitors.  





    On Mon, May 6, 2013 at 2:36 PM, Gena Fleming <genafleming at gmail.com> wrote:

      Well, this is quite a conundrum, isn't it?  I guess we'll never know for sure, but it's an interesting puzzle.   The following may or may not be deemed relevant to the discussion.

      This correspondence by Michael Surgan is a good (and brief) discussion of the problems posed by the presence of "inert" ingredients in pesticide formulations:

      http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1281320/#b1-ehp0113-a0657c


      In his reference section, he cites but does not provide a link to the New York lawsuit filed against Monsanto, so I will provide it here:
      http://big.assets.huffingtonpost.com/fraud.pdf

      Note that a similar lawsuit against Monsanto's false claim of Roundup being nontoxic and biodegradable was also successfully pursued in France.

      The article Surgan references by Richard et al. that explores the toxicity of some of the adjuvants in Roundup formulations is a worthwhile read; the abstract doesn't take too much time:
      http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1257596/

      Surgan's link to the EPA Reregistration Eligibility Document on Glyphosate doesn't work.  Here's an EPA fact sheet for that document:  http://www.epa.gov/oppsrrd1/REDs/factsheets/0178fact.pdf 
      ... with the relevant excerpt being (and bold emphasis is mine):




      Due to the presence of a toxic inert ingredient, some glyphosate end-use products must be labeled, "Toxic to fish," if they may be applied directly to aquatic environments.



      The fact that the EPA feels comfortable using terms such as "toxic inert ingredient" is enough to keep my head in a spin.

      best regards,

      Gena Fleming




      On Mon, May 6, 2013 at 10:18 AM, Wayne Tyson <landrest at cox.net> wrote:

        A possibility, sure, but not a probability. Certainly the "soils" were disturbed; they were cut slopes, creating ideal conditions for colonization by weedy plants. Yes, the "invasives" could have altered soil properties (one of the ways is soil-building), and in fact, it could have been the dead invasives that harbored the residues that killed the emerging native seedlings. 

        Conjecture can be useful, but  useless in the absence of a stated theoretical foundation or actual evidence. What is needed is good science that can confirm or reject the conjectures. 

        WT
          ----

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    -- 
    Lauren Smith
    PhD Candidate
    Reynolds Lab
    Department of Biology, Indiana University 


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