Do gibberellins also promote rooting?

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Solution

Auxins like IAA, IBA, NAA promote rooting in stem cuttings of various plants.
Gibberellins hav the following physiological functions:
1) Elongation of internodes
2) Promotion of bolting in rosette plants
3) Inducing seed germination
4) Delay senescence
Hence, Gibberellins do not promote rooting in plants.

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