Food grade onion extract. The bulbs of Allium cepa L. (onion) are commonly used as food, however their use has also been authorized as a basic substance, with FUNGICIDE activity in particular uses and specific conditions as the phytocomplexes contained in the aqueous extract of the onion have a containment action for the crops and for the pathogens indicated on the label. The use of ZEUS EV is a valid solution both as a support to traditional phytosanitary treatments and in defense programs that aim at environmental sustainability and resistance management