Fig. 4From: 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 10.0% Moringa extract on cell organelles: normal size nucleus (N), mitochondria (M), and peroxisomes(P) in large numbers in addition to vacuole (V)Back to article page