Which of the following effects of auxins on plants is the basis for commercial application

Options

A. Callus formation
B. Curvature of stem
C. Induction of root formation in stem cuttings
D. All of the above

Answer

D

Explanation

* Auxin stimulate root formation on stem cuttings particularly the woody ones.
* Helps in callus formation by the application of 2,4-D.
* Curvature of the stem in response to light.