Evidence links auxin to apical dominance: removing the main shoot stimulates lateral bud growth, and applying IAA restores dominance. Inhibiting auxin transport also causes lateral bud growth, supporting auxin's suppressive role.
Evidence for auxin's role in apical dominance includes the observation that removing the main shoot promotes lateral bud growth, and adding IAA restores dominance. Auxin transport inhibitors also lead to lateral bud growth, suggesting auxin's inhibitory effect on them.
| Front | Describe the evidence supporting a link between auxin and apical dominance and describe the evidence that suggests that this link is not directly causal. |
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| Back | Apical dominance evidence:
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