My question, not being a scientist, is this: I am under the impression
that Bt is a very specific pathogen. That is, the particular Bt being used
by farmers and gardeners is specific to certain damaging insects and is not
the least toxic to non-target species (setting aside the debate over
monarch catapillars - which is way far from proven fact). So, what danger
does a "build up" of Bt toxins in the soil have to do with non targeted
Personally, I think you also stated the real long term problem -
resistance. That is a question that is not a matter of if, but when.
Mind you I am not being critical, only inquisitive for my own education.
Son of Richard
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