QUIESCENT CENTRE: It is a hemispherical or cup shaped region of cells situated in the root promeristem of higher plants. In the root apical meristem of higher plants it is observed that the initials present at the central zone divides rarely or not at all. However, cells on the periphery of this region are highly meristematic.This region is referred to as quiescent centre.
Function: The following functions may be assigned to quiescent centre-
- It provides a reserve block of diploid cells when the root tip is damaged at the time of pushing through the soil.
- It may act as the site of hormone synthesis.
Plant Science 