Guttation is the expelling of excess water or nutrients through tiny openings on leaves and stems. This biological process enables plants to restore balance to their nutrient and water content.

What is the role of guttation in plant?

Guttation is when a plant pushes water out through tips of the leaves of plants. These are special pores called hydathodes. … The process of guttation occurs when the roots of a plant absorb water from the soil. This creates a pressure inside the plant, and the water is forced out through the hydathodes.

Does guttation cool the plant body?

Stomata open during the daytime and rising temperatures contribute to water loss in the form of vapors. This is close to the phenomenon of sweating happening in humans. During high temperatures, it cools down the plants. … During the night, water swells out in the liquid form and this is called guttation.