Roles of Hormones in Plant Growth and Development

Auxin

1. Phototropism

2. Cell Elongation

3. Apical Dominance

4. Parthenocarpy

5. Flowering

6. Delay Abscission

7. Activates Cambium

8. Growth of Lateral Roots

 

Giberellin

1. Break Seed Dormancy

2. Bolting

3. Dwarf to Normal

4. Growth of Lateral Roots

5.

 

Cytokinin

 

Abscisic Acid (ABA)

 

Ethene