Ascent of water through the xylem. - (Apr/15/2006 )

Which of the following IS NOT a factor contributing to the ascent of water through the xylem in plants:

- Transpiration
- Low water potential at one end
- Cohesion of water to the vessel walls
- Adhesion of water to the vessel walls
- Source and sinks

Thanks in advance for your help.

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I'll quote aimikins:

Any idea, larock01?
This is NOT a difficult question, so you could at least formulate some hypothesis or specificate what you can't understand...
Anyway, your biology text book will be happy to help you find your answer...
Good luck!

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