Fig. 3From: 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 shows the effect of 3 h of direct treatment with 5.0% Moringa leaf extract on cell organelles: normal size nucleus (N), mitochondria (M), dictyosomes (D), and endoplasmic reticulum (ER) in addition to vacuole (V) and autophagic vacuoles (AV)Back to article page