Biochemistry

Reacts with, and inactivates, the sulfhydryl groups of amino acids and enzymes of fungal cells, resulting in disruption of lipid metabolism, respiration and production of   ATP .

Mode of action

Broad-spectrum, non-systemic fungicide with protective action.

Uses

Control of many fungal diseases in a wide range of field crops, fruit, nuts, vegetables, ornamentals, etc. More frequent uses include control of early and late blights ( Phytophthora infestans   and   Alternaria solani ) of potatoes and tomatoes; downy mildew ( Plasmopara viticola ) and black rot ( Guignardia bidwellii ) of vines; downy mildew ( Pseudoperonospora cubensis ) of cucurbits; scab ( Venturia inaequalis ) of apples; Sigatoka ( Mycosphaerella   spp.) of bananas; and melanose ( Diaporthe citri ) of citrus. Typical application rates are 1500-2000 g/ha. Used for foliar application or as a seed treatment.

Compatibility

Not compatible with oxidising agents or acids.