Roundup is a systemic broad spectrum herbicide .. when sprayed on grasses or
broadleaved plants it is taken into the plant in a matter of hours and
translocated throughout the plant. The plants start to show symptoms in 2-10
days- sooner on herbacious plants , longer on woody species.  It kills the
plant by interupting amino acid sunthesis and hence protein formation.. It
is tied up on the soil almost immediately and begins to be broken down by
microbial action. That is why it is so widely used in sensitive biologiocal
situations because it does not leave any soil residue or create no off site
movement problems.
I hope this is a little more straight forward than my last post.
DAN VEILLEUX COLUMBUS ,  OHIO USA
 
At 01:34 AM 1/4/97 EST, you wrote:
>Dave...
> I doubt that you could insist on any time period in this case.
>>If it
>>were Sevin, or something similar, I sure as the dickens WOULD insist.
>>More
>>beekeepers should be insisiting, instead of running.  After a while
>>there is
>>no place to run to.
>
>Stuart...
>
>Thanks Dave. I think it was Allen who noted the very real danger of
>chemical applications becoming routine. Today Roundup, next year,
>whatever the Monsanto sales office manages to sell the County.
>
>Point Roberts has been spared spraying for the past 6 years after locals
>were able to get it declared a 'sensitive'  area.  That law, while still
>in effect,  allows spraying a 12 inch roadside swath where the situation
>warrants it(whatever 'warrants it' means).
>The Point is virtually an island (5 sq. mi. of isthmus attached to the
>British Columbia mainland and separated from the rest of the US by
>Boundary Bay).
>
>There was one listmember who commented on the relative toxicity of
>Roundup to other herbicides but I found his explanation a little
>technical.  Can anyone explain just how Roundup works(I've been told its
>a dessicant), and how it breaks down in simple language.  Perhaps the
>fears of those of us who worry about its effect on our charges could be
>allayed with a little simple information.
>
>...Stuart
>---------------------------------------------------------------------------
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>
>...Stuart Grant,(49degrees N; 123 degrees, 20 min W; elevation 20m;
>Strait of Georgia 2k; rural urban combination  in temperate rainforest
>setting)
>
>_--------------------------------------------------------------------------
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>
>
Janet Montgomery
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