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NEET2008BotanyPlant - Growth and DevelopmentActual

Apical dominance is caused by

Options

  1. Aauxin
  2. Bgibberellin
  3. Ckinetin
  4. DABA

Correct answer

A. auxin

Step-by-step solution

In many plants, as the apical bud grows, the growth of lower axillary buds is suppressed. Removal of apical bud results in the growth of lower buds. The auxin (IAA) of the terminal bud inhibits the growth of lateral buds. This phenomenon is known as apical dominance.

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