Fungicide Mancozeb 80%WP CAS 2234-56-2

Active ingredient

Mancozeb

Chemical name

[[1,2-ethanediylbis[carbamodithioato]](2-)]manganese mixture with [[1,2-ethanediylbis[carbamodithioato]](2-)]zinc

Classification

Fungicide / Agrochemical

Formulation

95% Tech, 80% WP, 70% WP, 43% SC

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

Fungicide with protective action.

Usage

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 apple; sigatoka (Mycosphaerella spp.) of banana and melanose (Diaporthe citri) of citrus. Typical application rates are 1500-2000 g/ha. Used for foliar application or as a seed treatment.

Mammalian Toxicology

Oral: Acute oral LD50 for rats >5000 mg/kg.  

Skin and eye: Acute percutaneous LD50 for rats >10 000, rabbits >5000 mg/kg. No irritation to skin (rabbits); moderate eye irritant (rabbit, EU standards), not an eye irritant (rabbit, U.S. standards) No dermal sensitisation in Buehler test; may cause dermal sensitisation in guinea pig maximisation test.  

Inhalation: LC50 (4 h) for rats >5.14 mg/l.