Maize phloem mass transfer rate

[Ricardo J Salvador]

In article <1992Jun1.225828.26450 at doc.ic.ac.uk>, ajt at swan.doc.ic.ac.uk (Tony
Travis) writes:
> We are measuring, amongst other features, the mean radius of cells and
> cell wall thickness in Co125 and W401 maize internodes.  Is the
> diameter of phloem cells one of the physical limitations you are
> interested in?

Yes.  This would allow estimation of total sieve tube cross-sectional area.
In combination with known dry matter partition in various sinks, this allows
measurement of the mass transfer rate.  Coincidentally, W401 is one of the
entries I am working with as well.

Ricardo Salvador      | Internet:   rjsalvad at IASTATE.EDU | "Thou art a little
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