Gibberellins promote flowering in ___________.

Gibberellins promote flowering in long-day plants even under short-day conditions.

Radish is a long-day plant and exhibits a rosette habit. Gibberellins induce bolting (internode elongation just prior to flowering) and promote flowering in rosette plants such as radish, beet, and cabbage.

Dahlia, Aster, and Tobacco are short-day plants.

Answer: Radish