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The effect of apical dominance can be overcome by which of the following hormone:
(a) IAA
(b) Ethylene
(c) Gibberellin
(d) Cytokinin
Answers (1)
Ans. The answer is the option (d) Cytokinin
During apical dominance, cytokinin antagonizes the auxin and triggers outgrowth. The presence of cytokinin can induce the movement of nutrients towards the site where it is present. In lateral buds, the cytokinin present encourages growth despite the lateral buds having apical buds. Therefore, cytokinin is antagonistic to the auxin, and thus apical dominance can be overcome through the use of cytokinin.
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