Evidence that xylem is under tension, not pressure, comes from experiments where cutting the xylem causes air to be pulled in rather than water leaking out.
- water does not leak out when xylem is cut - air is pulled in
| Front | How do we know that the xylem is under tension not pressure? |
|---|---|
| Back | - water does not leak out when xylem is cut - air is pulled in |
Tags: plant_transport
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