Differences between Transpiration and Guttation :

 S.No.  Transpiration                                                                                      Guttation

1. It occurs during day time                                                  It usually occurs at the night

2. The water is given out in the form of vapor.             The water is given out in the form of liquid.

3. The transpired water is pure                                     Guttated water contains dissolved salts and

                                                                                                                    sugar.

4. It takes place through stomata,                               It occurs through a special structure called

lenticels or cuticles.                                                    hydathode found only on leaf tips or margin.

5. It is a controlled process.                                                It is an uncontrolled process.

6. It lowers down the temperature of                                  It lacks such a relationship.

the surface