Question

Write the full form of IBA, NAA, and 2-4 D.

Answer 1

Synthetic auxins:

These are the chemical compounds that have been synthesized to exhibit auxin activity.

Examples:

1. IBA is Indole-3-butyric acid, which induces roots in stem cuttings.
2. NAA is Naphthalene acetic acid, used for vegetative propagation.
3. 2-4 D is 2-4 Dichlorophenoxyacetic acid, widely used to kill dicotyledonous weeds.