Question

write the three roles of the plant hormone which helps in controlling apical dominance.
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Answer 1

Answer:

Overview. Apical dominance occurs when the shoot apex inhibits the growth of lateral buds so that the plant may grow vertically. ... The apical bud produces a hormone, auxin, (IAA) that inhibits growth of the lateral buds further down on the stem towards the axillary bud.

Explanation:

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Answer 2

Answer:

Apical dominance occurs when the shoot apex inhibits the growth of lateral buds so that the plant may grow vertically. ... The apical bud produces a hormone, auxin, (IAA) that inhibits growth of the lateral buds further down on the stem towards the axillary bud.