Maple sap

DJHicks%Faculty%MC at MANCHESTER.EDU DJHicks%Faculty%MC at MANCHESTER.EDU
Wed Mar 12 07:48:42 EST 1997


>The mechanism of flow is still poorly understood to the best of my
>knowledge, but what's being withdrawn are sugars (sucrose) and minerals that
>have been stored within xylem parenchyma cell over the winter, and which are
>now being mobilized in preparation for renewed growth.
>
>Jim Perry

Do the positive pressures generated this way have a role in refilling 
tracheary elements that cavitated over the winter?

David J. Hicks			djhicks at manchester.edu
Biology, Manchester College



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