Question
Explain capillarity theory of water translocation.
✓
Answer
- Capillarity theory of water translocation is proposed by Bohem.
- Capillarity is because of surface tension and cohesive forces and adhesive forces of water molecules.
- Xylem vessels and tracheids are tubular elements having their lumen.
- In these elements water column exists due to combined action of cohesive and adhesive forces of water and lignified wall.
- As a result of this capillarity water is raised upwards.
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