Following are the significance of auxins:
- The primary physiological effect of auxin in plants is to stimulate the elongation of cells in the shoot.
- Auxin helps in apical dominance.
- It is involved in root initiation.
- Natural auxin has a controlling influence on the abscission of leaves, fruits, etc.
- Auxins can induce the formation of parthenocarpic fruits.
- It helps in vascular differentiation.