Re: [gardeners] what tree?

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Margaret Lauterbach at melauter@earthlink.net wrote:

> In Michael Pollan's "Botany of Desire," he writes "A molecule present in
> the sap of a certain tree prevents caterpillars that sample its leaves from
> ever growing into butterflies."  What tree is that?  Sounds like the
> precursor to Terminator technology.  Margaret L
> 

Maybe it's the neem tree, which contains azadirachtin. I'd liken it more to
a natural insect growth regulator than a genetic "terminator" effect though.
Here's some info on azadirachtin:

http://pmep.cce.cornell.edu/profiles/extoxnet/24d-captan/azadirachtin-ext.ht
ml

Dan Dixon

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