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From:
randy oliver <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 26 Oct 2009 09:09:32 -0700
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>Do the indonesians export pesticides to any other country?

Juanse, there is currently a vigorous debate as to whether DDT should be
allowed to be used in Africa to control malaria.  World governments want to
completely shut down the remaining DDT plants in Asia.  However, DDT is very
effective, with minimal environmental impact, when sprayed on the walls
inside houses in Africa to kill the mosquitoes that land on the walls.  I am
not promoting, just reporting.  Plenty of info available on the internet.

BTW, there are also right-wing fringe groups that are misreporting and
misrepresenting data, who are claiming that DDT is harmless and should be
allowed to return to the market.  I say that they are misrepresenting,
because I looked up the sources of the claims that they made, and found that
like much of the neonic info, were taken out of context, and spun to support
a preconceived prejudice.  Honestly, folk, you really can't believe
everything that you read on the internet--this List included!  : )

>When I checked the Section 18 Emergency Exemptions database, there were no
applications for DDT for MO.

Thanks, Anita, for a fact check.  Bob, we are all waiting with bated breath
for you to recheck your facts.

Stan, pesticide toxicity is all about dose.  Pesticide labeling accounts for
the LD50 and  NOEL (No Observable adverse Effect Level).  So a very toxic
pesticide is simply applied at a lower rate.

Common table salt is cosnidered to be a "moderately toxic" substance, that
will kill any living organism on Earth.  The human LD50 is about 3000mg/kg.
That means that a 1-lb box of table salt contains the lethal dose for the
average man.  However, most of us willingly ingest a sublethal dose at every
meal.

Imidacloprid indeed has a long life in soil, but appears to remain rather
tightly bound to the soil particles.  Here is the question:  If the
pesticide simply built up year after year in the plants, then there would be
no market for more insecticide, since the farmer would not need to purchase
any more.  This would be a poor business model for the company selling the
pesticide.

However, your point is well taken about the long residual of some of the
neonics.  Please note that in my earlier response to Bob, the use of neonics
in flowering trees is of concern to me.

Randy Oliver

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