Question

Which hormone promotes rooting in cuttings

• A. Gibberellin
• B. Cytokinin
• C. Auxin
• D. None of the above

Answer 1

The correct option is C Auxin

Auxin promotes rooting for the cuttings. NAA is a prominent auxin which is used to promote rooting in stem cuttings. NAA is known as naphthalene acetic acid. It is a synthetic auxin which promotes rooting in dwarf plants or stem. It also decreases the rate of senescence and abscission. It promotes respiration and increases the rate of metabolism. It increases the sweetening in certain fruits.

So, the correct answer is option C.