Apical dominance in plants is primarily regulated by which plant hormone?
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Correct answer: Auxin (IAA)
Auxin (specifically IAA) is produced at the apical bud and suppresses the growth of lateral buds. This hormonal control maintains apical dominance in plants.
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More Apical Dominance and Gravitropism questions
- Removal of the apical bud in a shoot generally results in:
- Which hormone can counteract apical dominance when applied to lateral buds?
- Gravitropism refers to the growth response of plants to:
- Roots usually exhibit which type of gravitropic response?
- Shoots show negative gravitropism because they grow:
- Which cells in the root tip are mainly involved in gravity perception?