1.) Auxin- Promote cell differentiation, cell enlargement and fruit growth.
2.) Gibberelins- Promote cell differentiation, cell enlargement and fruit growth. It helps in breaking of dormancy.
3.) Cytokinins- Promote cell division, opening of stomata and fruit growth. It helps in breaking of dormancy. It delay the ageing in leaves.
4.) Abscisic acid- It promotes dormancy, closing of stomata and wilting and falling of leaves.
5.) Ethylene- It promotes growth and ripening of fruits