What are the functions of cytokinins ?

Explanation

1) Cytokinins induces cell division.
2) They help to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation.
3) Cytokinins help to overcome apical dominance.
4) They promote nutrient mobilisation which helps in the delay of senescence.
5) Cytokinins help in the opening of stomata by increasing the concentration of k+ . ions in guard cells.