"Paul Luton" wrote after Spider wrotein reply to:
"Bob Hobden"who posted
....
http://news.bbc.co.uk/1/hi/sci/tech/7656078.stm

Mmm. Good news, as far as it goes, but what effect does it have on
humans?

I applaud it for decoratives, but I have no inclination to play the
guinea pig where food crops are concerned.


First reaction is that there would be homeopathically little jasmoic acid
left in the crop at harvest but I suppose that it must work by inducing
the plant to make their own pesticides. OTOH I remember reading that
someone suggested that eating bruised fruit would be advantageous because
of elevated salicylic acid. Presumably diverting the plant to make more
pesticides is at the expense of growth or they would do it anyway.


http://en.wikipedia.org/wiki/Jasmonic_acid gives some info on how it may
work.

--
Regards
Bob Hobden