Question

The major natural Auxin is​

Answer 1

Indole-3-acetic acid (IAA) is the major naturally occurring auxin and one of the major growth factors in plants. They were the first group of plant growth hormones discovered.

Answer 2

Answer:

The major auxin is Indole -3- acetic acid ( IAA).

they are plant hormones produced at the stem tip that promotes cell elongation.