Which of the following plant hormone is most effective in induction of bolting in rosette plant?

Which of the following plant hormone is most effective in induction of bolting in rosette plant? Correct Answer GA3

GA3 (Gibberellic acid) is the plant hormone that is most effective in the induction of bolting in rosette plants.
In the case of the rosette plants, there is sudden and excessive internodal growth which is followed by flowering on the application of gibberellins is called bolting. There is an increase in the internodal distance which results in the elongation of the stem.
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