IUBio Biosequences .. Software .. Molbio soft .. Network News .. FTP


adwright at iastate.edu adwright at iastate.edu
Mon Jan 24 11:18:46 EST 1994

In <2hq5a4$1rl at mserv1.dl.ac.uk> kearns at MIT.EDU writes:

>Hi everyone,
> I am using a steady state portable porometer to measure stomatal
>conductance and transpiration in Arabidopsis . I was using a clamp with an open
>top. What happens if I use a clamp with a closed top? Why are there open and 
>closed tops?  I suppose I should just call LICOR, but I wanted the input of 
>the stomata list, too. Thanks, Ellen 

The open top would allow the normal conditions of humidity over the leaf 
while you measure the resistance of the other side.  I suspect that a closed
top could favorably affect the water relations so that the other side of the 
leaf (that you are measuring) would show decreased resistance. 


More information about the Plantbio mailing list

Send comments to us at biosci-help [At] net.bio.net