Question

Mention difference between auxin and gibberellin​

Answer 1

The most important differences between auxin and gibberellin are that auxin promotes the growth of shoot whereas gibberellin is involved in the elongation of the stem, flowering and seed germination. Auxin plays a major role in apical dominance whereas gibberellin has no role in apical dominance.

Answer 2

Answer:

Explanation:

Auxins:

• In stem,promote cell enlargement in region behind apex.
• Promote cell division in cambium.
• Promote apical dominance and fruit growth.They can sometimes induce parthenocarpy.
• Cause delay in leaf senescence.
• Inhibit abscission.

Gibberellins:

• Gibberellins promote bolting of some rosette plants.
• Promote bud initiation in shoots of chrysanthemum callus
• Inn apical dominance,enhance action of auxins
• Break bud and seed dormancy
• It may substitute for "red light".Therefore promote flowering in long day plants while inhibit in short day plants.

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