Question

Which one is the main effect of auxin, important for commercial purpose?

• A. Weed Killer
• B. Parthenocarpy
• C. Early rooting in stem cutting
• D. None of these

Answer 1

The correct option is C Early rooting in stem cutting

Auxins inhibit elongation of the primary root but stimulate root initiation on stem cuttings (adventitious roots) and lateral root development. Lateral roots are commonly found above the root hair zone and originate from cells present in the pericycle. Auxin stimulates these pericycle cells to divide. The dividing cells gradually give rise to the lateral root.

So, the correct answer is C.