Question

Give at least four roles of gibberellins on plant growth.

Answer 1

Gibberellins are plant growth regulators which controls various physiological functions in plants such as:

1. It facilitates cell enlargement
2. It helps the plants to grow taller by making internodal elongation.
3. It initiates fruit ripening and breaking the bud dormancy.
4. They also play major roles in seed germination.