Which phytohormone would you use if you are asked to 'bolt' a rosette plant?

Which one of the plant growth regulators would you use if you are asked to : 'bolt' a rosette plant.

Which one of the plant growth regulators would you use if you are asked to 'bolt' a rosette plant.

Which one of the plant growth regulators would you use if you are asked to : 'Bolt' a rosette plant

Which one of the plant growth regulators would you use,if you are asked to : Bolt a rosette plant.

Which one of the PGRs would you use if you are asked to? (a) Induce rooting in a twig (b) Quickly ripen a fruit (c ) Delay leaf senescence