Process
Photosynthesis
Using light energy to turn carbon dioxide and water into sugar, releasing oxygen.
Xylem and phloem
Xylem carries water up from the roots; phloem carries sugars from leaves to where they are used or stored.Source: Tyree, 1997Source: Knoblauch et al., 2016
Step 3 of 7ReadingStructure
How Xylem and phloem connects
Xylem and phloem is related to
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Sources & further reading
The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.
The cohesion-tension theory of sap ascent: current controversies (opens the original in a new tab)
Tyree MT (1997). Journal of Experimental Botany 48:1753-1765.
Peer-reviewedReviewTesting the Münch hypothesis of long distance phloem transport in plants (opens the original in a new tab)
Knoblauch M, Knoblauch J, Mullendore DL, et al. (2016). eLife 5:e15341.
Peer-reviewedPrimary research