"Bolting"- occurs due to the presence and action of.
A
Kinetins
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B
Gibberellins
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C
Auxins
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D
Ethylenes
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Solution
The correct option is B
Gibberellins
Gibberellin induces stem elongation in rosette plants. Cabbage is a rosette plant with profuse leaf growth and retarded internodal length. Just prior to flowering, internodes elongate enormously. This is called bolting. Bolting needs either long days or cold nights. When a cabbage head is kept under warm nights, it retains its rosette habit. Bolting can be induced artificially by the application of gibberellins under normal conditions.