List out any three physiological role of Gibberellins in plant growth.

Explanation

Gibberelline break genetic dwarfism in dwarfism in dwar f varieties of Pea and bean.
Can induce internode elogation, and early flowering in rosette plants like cabbage and cauliflower.
This is called bolting.
Can break speed dormancy, and bud dormancy.
Can induceparthenocarpic friuts.
Gibberellins can substitute cold treatement i.e., can replace vernalisation.
Can be used in inducing flowers even in off seasons in long day plants.