The effect of apical dominance can be overcome by which of the following hormone?

1. IAA

2. Ethylene

3. Gibberellin

4. Cytokinin

 

 
(d) Cytokinin is antagonistic to the action of auxin and thus overcome the phenomenon of apical dominance.
Whereas, IAA, helps in apical dominance, ethylenein ripening of fruits and gibberellin in overcoming bud and seed dormancy.
Page 250, XI NCERT