Definition for Difference between revisions of "Pressure-flow hypothesis"
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(Created page with "The explanation for phloem transport that says sieve-tube elements near source tissues have higher solute contents while sieve-tube elements near sink tissues have a lower solute...") |
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Latest revision as of 20:09, 30 January 2011
The explanation for phloem transport that says sieve-tube elements near source tissues have higher solute contents while sieve-tube elements near sink tissues have a lower solute concentration. Water that contains solutes moves from phloem into sink tissues. The resulting water pressure difference drives the bulk flow of phloem sap from source to sink tissues.