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- Path: sparky!uunet!spool.mu.edu!agate!toxic!tyersome
- From: tyersome@toxic (Randall Tyers)
- Newsgroups: bionet.plants
- Subject: Re: Heavy metals
- Date: 22 Dec 1992 04:00:13 GMT
- Organization: Plant Biology
- Lines: 26
- Message-ID: <1h63sdINNmee@agate.berkeley.edu>
- References: <1992Dec14.131324.10744@vax.oxford.ac.uk>
- NNTP-Posting-Host: toxic.berkeley.edu
-
- In article <1992Dec14.131324.10744@vax.oxford.ac.uk> donachie@vax.oxford.ac.uk writes:
- > On the subject of hyperaccumulators, work in this lab is investigating the
- >nature of the complexes formed in these plants with organic acids, in order to
- >determine whether these provide a possible mechanism of tolerance for the
- >plant.
- >[...] ~~~~~~~~~~~~~~~~~~~~~~
- > I think that the act of hyperaccumulation is related to the site at which the
- >plant can be found. We are working on Alyssum spp here, and these can be, and
- >are regularly grown in gardens in Europe. We have plants which are known to be
- >hyperaccumulators, and as control plants we are using garden seeds bought from
- >a commercial supplier. We think that they won't hyperaccumulate, if they do
- >then....
- > Just some interesting info to pass on over the dinner table ( :-) )
-
- Speaking of the dinner table, a plant physiologist here (Russell Jones)
- has told me that spinach is an excellent Cd accumulator. The good news
- is that this is apparently only a problem in high Cd soils. The bad
- news is that the central valley of CA, where a good portion of the
- agricultural production consumed in western North America comes from,
- has very high levels of Cd in the soil. I believe that Cd is
- supposed to be a cumulative toxin. Thus, for NAns if your spinach says
- CA you might wan't to grow your own if you can't do with out.
- Enjoy ;-)
-
- Randall Tyers tyersome@insect.berkeley.edu
-
-