Question

What is guttation?

Answer 1

Guttation:

1. Guttation is the exudation of xylem sap from the tips or edges of leaves in the form of liquid droplets.
2. It occurs due to the development of root pressure.
3. It usually happens on humid, wet nights when water absorption is strong but transpiration is low.
4. It occurs through hydathodes.
5. It takes place mostly in herbaceous plants.