Fig. 2From: Usage of the cyto-genetics and cytology to identify the action mechanisms of two bio-fertilizers on Allium cepa meristematic cellsUltra-thin section in Allium cepa root tip meristems as control. The normal cell organelles: nucleus (N), mitochondria (M), dictyosomes (D), peroxisomes (P), and endoplasmic reticulum (ER) in addition to vacuole (V) and autophagic vacuoles (AV)Back to article page