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Chronological Thread  
  • From: marc AT aculink.net
  • To: Market Farming <market-farming AT franklin.oit.unc.edu>
  • Subject: Re: Mutation....
  • Date: Mon, 06 Aug 2001 15:03:08 -0600


Ya know it seems that a rule of biology should be that any
pesticide or toxin can and eventually will create a
population that does not find it toxic.

Marc Nameth

Bill Shoemaker wrote:
>
> Resistance to Bt is not new. Diamondback Moth, a serious pest of Brassicas,
> was found to have resistant populations in Hawaii in the late 80's, before
> genetic engineering of the Bt toxin gene. It was clear from the beginning
> that widespread use of the Bt gene in plants would lead to resistance in the
> major lepidopteran pests. It's been a waste to use it on major monocrops,
> where it's impact is less important than it is as an organic insecticide.
> Such is commerce...
>
> Bill Shoemaker
> Sr Research Specialist, Food Crops
> Univ of Illinois - St Charles Hort Research Center




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