The following is the difference between the transport of materials by xylem and phloem :
| Transport by Xylem |
Transport by Phloem |
The xylem carries water and soluble salts to
the trunk, branches, and leaves of the tree. |
The food substances are transported from the
leaves to other parts of the plant in a dissolved state. |
The rise of water and dissolved salts is
due to the pull caused by evaporation. |
This increases the osmotic pressure, which
transports substances from the phloem to the
tissues and the pressure decreases. |
| It does not consume energy. |
It requires energy because it is an active
process. |
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